Publications
1312 results found
Dashti SG, English DR, Simpson JA, et al., 2020, Adiposity and endometrial cancer risk in postmenopausal women: a sequential causal mediation analysis, Cancer Epidemiology, Biomarkers and Prevention, Vol: 30, Pages: 104-113, ISSN: 1055-9965
BACKGROUND: Adiposity increases endometrial cancer risk, possibly through inflammation, hyperinsulinemia, and increasing estrogens. We aimed to quantify the mediating effects of adiponectin (anti-inflammatory adipocytokine); IL6, IL1-receptor antagonist, TNF receptor 1 and 2, and C-reactive protein (inflammatory status biomarkers); C-peptide (hyperinsulinemia biomarker); and free estradiol and estrone (estrogen biomarkers) in the adiposity-endometrial cancer link in postmenopausal women. METHODS: We used data from a case-control study within the European Prospective Investigation into Cancer and Nutrition (EPIC). Eligible women did not have cancer, hysterectomy, and diabetes; did not use oral contraceptives or hormone therapy; and were postmenopausal at recruitment. Mediating pathways from adiposity to endometrial cancer were investigated by estimating natural indirect (NIE) and direct (NDE) effects using sequential mediation analysis. RESULTS: The study included 163 cases and 306 controls. The adjusted OR for endometrial cancer for body mass index (BMI) ≥30 versus ≥18.5-<25 kg/m2 was 2.51 (95% confidence interval, 1.26-5.02). The ORsNIE were 1.95 (1.01-3.74) through all biomarkers [72% proportion mediated (PM)] decomposed as: 1.35 (1.06-1.73) through pathways originating with adiponectin (33% PM); 1.13 (0.71-1.80) through inflammation beyond (the potential influence of) adiponectin (13% PM); 1.05 (0.88-1.24) through C-peptide beyond adiponectin and inflammation (5% PM); and 1.22 (0.89-1.67) through estrogens beyond preceding biomarkers (21% PM). The ORNDE not through biomarkers was 1.29 (0.54-3.09). Waist circumference gave similar results. CONCLUSIONS: Reduced adiponectin and increased inflammatory biomarkers, C-peptide, and estrogens mediated approximately 70% of increased odds of endometrial cancer in women with obesity versus normal weight. IMPACT: If replicated, these results could have implications for identifying targets for intervention to reduce e
Naudin S, Viallon V, Hashim D, et al., 2020, Healthy lifestyle and the risk of pancreatic cancer in the EPIC study, European Journal of Epidemiology, Vol: 35, Pages: 975-986, ISSN: 0393-2990
Pancreatic cancer (PC) is a highly fatal cancer with currently limited opportunities for early detection and effective treatment. Modifiable factors may offer pathways for primary prevention. In this study, the association between the Healthy Lifestyle Index (HLI) and PC risk was examined. Within the European Prospective Investigation into Cancer and Nutrition cohort, 1113 incident PC (57% women) were diagnosed from 400,577 participants followed-up for 15 years (median). HLI scores combined smoking, alcohol intake, dietary exposure, physical activity and, in turn, overall and central adiposity using BMI (HLIBMI) and waist-to-hip ratio (WHR, HLIWHR), respectively. High values of HLI indicate adherence to healthy behaviors. Cox proportional hazard models with age as primary time variable were used to estimate PC hazard ratios (HR) and 95% confidence intervals (CI). Sensitivity analyses were performed by excluding, in turn, each factor from the HLI score. Population attributable fractions (PAF) were estimated assuming participants' shift to healthier lifestyles. The HRs for a one-standard deviation increment of HLIBMI and HLIWHR were 0.84 (95% CI: 0.79, 0.89; ptrend = 4.3e-09) and 0.77 (0.72, 0.82; ptrend = 1.7e-15), respectively. Exclusions of smoking from HLIWHR resulted in HRs of 0.88 (0.82, 0.94; ptrend = 4.9e-04). The overall PAF estimate was 19% (95% CI: 11%, 26%), and 14% (6%, 21%) when smoking was removed from the score. Adherence to a healthy lifestyle was inversely associated with PC risk, beyond the beneficial role of smoking avoidance. Public health measures targeting compliance with healthy lifestyles may have an impact on PC incidence.
Zheng J-S, Luan J, Sofianopoulou E, et al., 2020, The association between circulating 25-hydroxyvitamin D metabolites and type 2 diabetes in European populations: A meta-analysis and Mendelian randomisation analysis, PLoS Medicine, Vol: 17, Pages: 1-21, ISSN: 1549-1277
BackgroundPrior research suggested a differential association of 25-hydroxyvitamin D (25(OH)D) metabolites with type 2 diabetes (T2D), with total 25(OH)D and 25(OH)D3 inversely associated with T2D, but the epimeric form (C3-epi-25(OH)D3) positively associated with T2D. Whether or not these observational associations are causal remains uncertain. We aimed to examine the potential causality of these associations using Mendelian randomisation (MR) analysis.Methods and findingsWe performed a meta-analysis of genome-wide association studies for total 25(OH)D (N = 120,618), 25(OH)D3 (N = 40,562), and C3-epi-25(OH)D3 (N = 40,562) in participants of European descent (European Prospective Investigation into Cancer and Nutrition [EPIC]–InterAct study, EPIC-Norfolk study, EPIC-CVD study, Ely study, and the SUNLIGHT consortium). We identified genetic variants for MR analysis to investigate the causal association of the 25(OH)D metabolites with T2D (including 80,983 T2D cases and 842,909 non-cases). We also estimated the observational association of 25(OH)D metabolites with T2D by performing random effects meta-analysis of results from previous studies and results from the EPIC-InterAct study. We identified 10 genetic loci associated with total 25(OH)D, 7 loci associated with 25(OH)D3 and 3 loci associated with C3-epi-25(OH)D3. Based on the meta-analysis of observational studies, each 1–standard deviation (SD) higher level of 25(OH)D was associated with a 20% lower risk of T2D (relative risk [RR]: 0.80; 95% CI 0.77, 0.84; p < 0.001), but a genetically predicted 1-SD increase in 25(OH)D was not significantly associated with T2D (odds ratio [OR]: 0.96; 95% CI 0.89, 1.03; p = 0.23); this result was consistent across sensitivity analyses. In EPIC-InterAct, 25(OH)D3 (per 1-SD) was associated with a lower risk of T2D (RR: 0.81; 95% CI 0.77, 0.86; p < 0.001), while C3-epi-25(OH)D3 (above versus below lower limit of quantification) was positively associated with T2D (R
Deschasaux M, Huybrechts I, Julia C, et al., 2020, Association between nutritional profiles of foods underlying Nutri-Score front-of-pack labels and mortality: EPIC cohort study in 10 European countries., BMJ, Vol: 370, Pages: 1-13, ISSN: 1759-2151
OBJECTIVE: To determine if the Food Standards Agency nutrient profiling system (FSAm-NPS), which grades the nutritional quality of food products and is used to derive the Nutri-Score front-of-packet label to guide consumers towards healthier food choices, is associated with mortality. DESIGN: Population based cohort study. SETTING: European Prospective Investigation into Cancer and Nutrition (EPIC) cohort from 23 centres in 10 European countries. PARTICIPANTS: 521 324 adults; at recruitment, country specific and validated dietary questionnaires were used to assess their usual dietary intakes. A FSAm-NPS score was calculated for each food item per 100 g content of energy, sugars, saturated fatty acids, sodium, fibre, and protein, and of fruit, vegetables, legumes, and nuts. The FSAm-NPS dietary index was calculated for each participant as an energy weighted mean of the FSAm-NPS score of all foods consumed. The higher the score the lower the overall nutritional quality of the diet. MAIN OUTCOME MEASURE: Associations between the FSAm-NPS dietary index score and mortality, assessed using multivariable adjusted Cox proportional hazards regression models. RESULTS: After exclusions, 501 594 adults (median follow-up 17.2 years, 8 162 730 person years) were included in the analyses. Those with a higher FSAm-NPS dietary index score (highest versus lowest fifth) showed an increased risk of all cause mortality (n=53 112 events from non-external causes; hazard ratio 1.07, 95% confidence interval 1.03 to 1.10, P<0.001 for trend) and mortality from cancer (1.08, 1.03 to 1.13, P<0.001 for trend) and diseases of the circulatory (1.04, 0.98 to 1.11, P=0.06 for trend), respiratory (1.39, 1.22 to 1.59, P<0.001), and digestive (1.22, 1.02 to 1.45, P=0.03 for trend) systems. The age standardised absolute rates for all cause mortality per 10 000 persons over 10 years were 760 (men=1237; women=563) for those in the highest fifth of the FSA
Naudin S, Margalef MS, Hosnijeh FS, et al., 2020, Healthy lifestyle and the risk of lymphoma in the European Prospective Investigation into Cancer and Nutrition study, International Journal of Cancer, Vol: 147, Pages: 1649-1656, ISSN: 0020-7136
Limited evidence exists on the role of modifiable lifestyle factors on the risk of lymphoma. In this work, the associations between adherence to healthy lifestyles and risks of Hodgkin lymphoma (HL) and non‐Hodgkin lymphoma (NHL) were evaluated in a large‐scale European prospective cohort. Within the European Prospective Investigation into Cancer and Nutrition (EPIC), 2,999 incident lymphoma cases (132 HL and 2,746 NHL) were diagnosed among 453,808 participants after 15 years (median) of follow‐up. The healthy lifestyle index (HLI) score combined information on smoking, alcohol intake, diet, physical activity and BMI, with large values of HLI expressing adherence to healthy behavior. Cox proportional hazards models were used to estimate lymphoma hazard ratios (HR) and 95% confidence interval (CI). Sensitivity analyses were conducted by excluding, in turn, each lifestyle factor from the HLI score. The HLI was inversely associated with HL, with HR for a 1‐standard deviation (SD) increment in the score equal to 0.78 (95% CI: 0.66, 0.94). Sensitivity analyses showed that the association was mainly driven by smoking and marginally by diet. NHL risk was not associated with the HLI, with HRs for a 1‐SD increment equal to 0.99 (0.95, 1.03), with no evidence for heterogeneity in the association across NHL subtypes. In the EPIC study, adherence to healthy lifestyles was not associated with overall lymphoma or NHL risk, while an inverse association was observed for HL, although this was largely attributable to smoking. These findings suggest a limited role of lifestyle factors in the etiology of lymphoma subtypes.
Christakoudi S, Tsilidis KK, Muller DC, et al., 2020, ABSI (A Body Shape Index) achieves better mortality risk stratification than alternative indices of abdominal obesity: results from a large European cohort, Scientific Reports, Vol: 10, ISSN: 2045-2322
Abdominal and general adiposity are independently associated with mortality, but there is no consensus on how best to assess abdominal adiposity. We compared the ability of alternative waist indices to complement body mass index (BMI) when assessing all-cause mortality. We used data from 352,985 participants in the European Prospective Investigation into Cancer and Nutrition (EPIC) and Cox proportional hazards models adjusted for other risk factors. During a mean follow-up of 16.1 years, 38,178 participants died. Combining in one model BMI and a strongly correlated waist index altered the association patterns with mortality, to a predominantly negative association for BMI and a stronger positive association for the waist index, while combining BMI with the uncorrelated A Body Shape Index (ABSI) preserved the association patterns. Sex-specific cohort-wide quartiles of waist indices correlated with BMI could not separate high-risk from low-risk individuals within underweight (BMI<18.5 kg/m2) or obese (BMI≥30 kg/m2) categories, while the highest quartile of ABSI separated 18%-39% of the individuals within each BMI category, which had 22%-55% higher risk of death. In conclusion, only a waist index independent of BMI by design, such as ABSI, complements BMI and enables efficient risk stratification, which could facilitate personalisation of screening, treatment and monitoring.
Casabonne D, Benavente Y, Seifert J, et al., 2020, Serum levels of hsa-miR-16-5p, hsa-miR-29a-3p, hsa-miR-150-5p, hsa-miR-155-5p and hsa-miR-223-3p and subsequent risk of chronic lymphocytic leukemia in the EPIC study, International Journal of Cancer, Vol: 147, Pages: 1315-1324, ISSN: 0020-7136
Chronic lymphocytic leukemia (CLL) is an incurable disease accounting for almost one-third of leukemias in the Western world. Aberrant expression of microRNAs (miRNAs) is a well-established characteristic of CLL, and the robust nature of miRNAs makes them eminently suitable liquid biopsy biomarkers. Using a nested case-control study within the European Prospective Investigation into Cancer and Nutrition (EPIC), the predictive values of five promising human miRNAs (hsa-miR-16-5p, hsa-miR-29a-3p, hsa-miR-150-5p, hsa-miR-155-5p and hsa-miR-223-3p), identified in a pilot study, were examined in serum of 224 CLL cases (diagnosed 3 months to 18 years after enrollment) and 224 matched controls using Taqman based assays. Conditional logistic regressions were applied to adjust for potential confounders. The median time from blood collection to CLL diagnosis was 10 years (p25-p75: 7-13 years). Overall, the upregulation of hsa-miR-150-5p, hsa-miR-155-5p and hsa-miR-29a-3p was associated with subsequent risk of CLL [OR1∆Ct-unit increase (95%CI) = 1.42 (1.18-1.72), 1.64 (1.31-2.04) and 1.75 (1.31-2.34) for hsa-miR-150-5p, hsa-miR-155-5p and hsa-miR-29a-3p, respectively] and the strongest associations were observed within 10 years of diagnosis. However, the predictive performance of these miRNAs was modest (area under the curve <0.62). hsa-miR-16-5p and hsa-miR-223-3p levels were unrelated to CLL risk. The findings of this first prospective study suggest that hsa-miR-29a, hsa-miR-150-5p and hsa-miR-155-5p were upregulated in early stages of CLL but were modest predictive biomarkers of CLL risk.
Schoemaker MJ, Nichols HB, Wright LB, et al., 2020, Adult weight change and premenopausal breast cancer risk: A prospective pooled analysis of data from 628,463 women, INTERNATIONAL JOURNAL OF CANCER, Vol: 147, Pages: 1306-1314, ISSN: 0020-7136
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Fortner RT, Huesing A, Dossus L, et al., 2020, Theoretical potential for endometrial cancer prevention through primary risk factor modification: Estimates from the EPIC cohort, INTERNATIONAL JOURNAL OF CANCER, Vol: 147, Pages: 1325-1333, ISSN: 0020-7136
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Sieri S, Agnoli C, Grioni S, et al., 2020, Glycemic index, glycemic load, and risk of coronary heart disease: a pan-European cohort study, AMERICAN JOURNAL OF CLINICAL NUTRITION, Vol: 112, Pages: 631-643, ISSN: 0002-9165
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- Citations: 18
Loveday C, Sud A, Jones ME, et al., 2020, Prioritisation by FIT to mitigate the impact of delays in the 2-week wait colorectal cancer referral pathway during the COVID-19 pandemic: a UK modelling study, Gut, Vol: 70, Pages: 1053-1060, ISSN: 0017-5749
OBJECTIVE: To evaluate the impact of faecal immunochemical testing (FIT) prioritisation to mitigate the impact of delays in the colorectal cancer (CRC) urgent diagnostic (2-week-wait (2WW)) pathway consequent from the COVID-19 pandemic. DESIGN: We modelled the reduction in CRC survival and life years lost resultant from per-patient delays of 2-6 months in the 2WW pathway. We stratified by age group, individual-level benefit in CRC survival versus age-specific nosocomial COVID-19-related fatality per referred patient undergoing colonoscopy. We modelled mitigation strategies using thresholds of FIT triage of 2, 10 and 150 µg Hb/g to prioritise 2WW referrals for colonoscopy. To construct the underlying models, we employed 10-year net CRC survival for England 2008-2017, 2WW pathway CRC case and referral volumes and per-day-delay HRs generated from observational studies of diagnosis-to-treatment interval. RESULTS: Delay of 2/4/6 months across all 11 266 patients with CRC diagnosed per typical year via the 2WW pathway were estimated to result in 653/1419/2250 attributable deaths and loss of 9214/20 315/32 799 life years. Risk-benefit from urgent investigatory referral is particularly sensitive to nosocomial COVID-19 rates for patients aged >60. Prioritisation out of delay for the 18% of symptomatic referrals with FIT >10 µg Hb/g would avoid 89% of these deaths attributable to presentational/diagnostic delay while reducing immediate requirement for colonoscopy by >80%. CONCLUSIONS: Delays in the pathway to CRC diagnosis and treatment have potential to cause significant mortality and loss of life years. FIT triage of symptomatic patients in primary care could streamline access to colonoscopy, reduce delays for true-positive CRC cases and reduce nosocomial COVID-19 mortality in older true-negative 2WW referrals. However, this strategy offers benefit only in short-term rationalisation of limited endoscopy services: the a
Jakszyn P, Cayssials V, Buckland G, et al., 2020, Inflammatory potential of the diet and risk of colorectal cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC) study, International Journal of Cancer, Vol: 147, Pages: 1027-1039, ISSN: 0020-7136
Pro-inflammatory diets are associated with risk of developing colorectal cancer (CRC), however inconsistencies exist in subsite- and sex-specific associations. The relationship between CRC and combined lifestyle-related factors that contribute towards a low-grade inflammatory profile has not yet been explored. We examined the association between the dietary inflammatory potential and an inflammatory profile and CRC risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. This cohort included 476,160 participants followed-up of 14 years and 5,991 incident CRC cases (3,897 colon and 2,094 rectal tumours). Dietary inflammatory potential was estimated using an Inflammatory Score of the Diet (ISD). An Inflammatory Profile Score (IPS) was constructed, incorporating the ISD, physical activity level and abdominal obesity. The associations between the ISD and CRC and IPS and CRC were assessed using multivariable regression models. More pro- inflammatory diets were related to a higher CRC risk, particularly for colon cancer; Hazar Ratio (HR) for highest versus lowest ISD quartile was 1.15 (95% confidence interval (CI) 1.04-1.27) for CRC, 1.24 (95% CI 1.09-1.41) for colon cancer and 0.99 (95% CI 0.83-1.17) for rectal cancer. Associations were more pronounced in men and not significant in women. The IPS was associated with CRC risk, particularly colon cancer among men; HRs for the highest versus lowest IPS were 1.62 (95% CI 1.31- 2.01) for colon cancer overall and 2.11 (95% CI 1.50-2.97) for colon cancer in men. This study shows that more pro-inflammatory diets and a more inflammatory profile are associated with higher risk of CRC, principally colon cancer and in men. This article is protected by copyright. All rights reserved.
Wu L, Yang Y, Guo X, et al., 2020, An integrative multi-omics analysis to identify candidate DNA methylation biomarkers related to prostate cancer risk, Nature Communications, Vol: 11, ISSN: 2041-1723
It remains elusive whether some of the associations identified in genome-wide association studies of prostate cancer (PrCa) may be due to regulatory effects of genetic variants on CpG sites, which may further influence expression of PrCa target genes. To search for CpG sites associated with PrCa risk, here we establish genetic models to predict methylation (N = 1,595) and conduct association analyses with PrCa risk (79,194 cases and 61,112 controls). We identify 759 CpG sites showing an association, including 15 located at novel loci. Among those 759 CpG sites, methylation of 42 is associated with expression of 28 adjacent genes. Among 22 genes, 18 show an association with PrCa risk. Overall, 25 CpG sites show consistent association directions for the methylation-gene expression-PrCa pathway. We identify DNA methylation biomarkers associated with PrCa, and our findings suggest that specific CpG sites may influence PrCa via regulating expression of candidate PrCa target genes.
Kliemann N, Murphy N, Viallon V, et al., 2020, Predicted Basal metabolic rate and cancer risk in the European Prospective Investigation into Cancer and Nutrition (Epic), International Journal of Cancer, Vol: 147, Pages: 648-661, ISSN: 0020-7136
Emerging evidence suggests that a metabolic profile associated with obesity may be a more relevant risk factor for some cancers than adiposity per se. Basal metabolic rate (BMR) is an indicator of overall body metabolism and may be a proxy for the impact of a specific metabolic profile on cancer risk. Therefore, we investigated the association of estimated BMR with incidence of 13 obesity-related cancers in the European Prospective Investigation into Cancer and Nutrition. Estimated BMR at baseline was calculated using the WHO/FAO/UNU equations and the relationships between BMR and cancer risk were investigated using multivariable Cox proportional hazards regression models. A total of 141,295 men and 317,613 women, with a mean follow-up of 14 years were included in the analysis. Overall, higher BMR was associated with a greater risk for most cancers that have been linked with obesity. However, among normal weight participants, higher BMR was associated with elevated risks of esophageal adenocarcinoma (Hazard Ratio per 1-standard deviation change in BMR [HR1-sd ]: 2.46; 95%CI 1.20; 5.03), and distal colon cancer (HR1-sd : 1.33; 95%CI 1.001; 1.77) among men, and with proximal colon (HR1-sd : 1.16; 95%CI 1.01; 1.35), pancreatic (HR1-sd : 1.37; 95%CI 1.13; 1.66), thyroid (HR1-sd : 1.65; 95%CI 1.33; 2.05), postmenopausal breast (HR1-sd : 1.17; 95%CI 1.11; 1.22), and endometrial (HR1-sd : 1.20; 95%CI 1.03; 1.40) cancers in women. These results indicate that higher BMR may be an indicator of a metabolic phenotype associated with risk of certain cancer types, and may be a useful predictor of cancer risk independent of body fatness. This article is protected by copyright. All rights reserved.
Sud A, Torr B, Jones M, et al., 2020, Effect of delays in the UK two-week wait cancer referral pathway during the COVID-19 pandemic on cancer survival: a modelling study, The Lancet Oncology, Vol: 21, Pages: 1035-1044, ISSN: 1213-9432
Background: During the COVID-19 lockdown, referrals via the 2 Week Wait (2WW) urgent pathway for suspected cancer in England are reported to have dropped by up to 84%. We aimed to examine the impact on cancer survival of different scenarios of lockdown accumulated-backlog. We also aimed to examine by tumour-referral-group and age, survival benefit per referred patient considering survival decrement from delayed referral versus risk of death from nosocomial SARS-CoV-2 infection.Methods: To construct the underlying models, we used age- and stage-stratified 10 year cancer survival estimates for England 2007-2017 for 20 common tumour-types. We applied per-day hazard ratios for cancer progression generated from observational studies of delay to-treatment. We quantified the annual numbers of cancers diagnosed via the 2WW-pathway using the 2WW age- and stage-specific breakdowns. From these, for per-patient delays of 1- 6 months, we estimated aggregate number of lives lost and life-years lost in England. Using referral-to-diagnosis conversion rates and COVID-19 case fatality rates, we also estimated the survival increment per patient referred. Findings: Per month across England in 2013-2016, on average 6,281 patients with Stage 1- 3 cancer were diagnosed via the 2WW pathway of whom 1,691 would be predicted to die within 10 years from their disease. We estimated 2WW-pathway presentational-delay from three months of lockdown will result in total in 181/361/542 attributable additional deaths (if % reduction in referrals was 25/50/75% respectively). Limited diagnostic capacity to address the backlog may result in additional delays: 401/811/1,231 attributable additional deaths are estimated if additional diagnostic capacity is delayed until months 3-8 post-lockdown. 2-month delay in 2WW investigatory referral results in average loss of life-years per-referred-patient of between 0 and 0.7, depending on age and tumour-type. Interpretation: Prompt provision of additional capacity f
Tong TYN, Appleby PN, Key TJ, et al., 2020, The associations of major foods and fibre with risks of ischaemic and haemorrhagic stroke: a prospective study of 418 329 participants in the EPIC cohort across nine European countries, European Heart Journal, Vol: 41, Pages: 2632-2640, ISSN: 0195-668X
AIM: To investigate the associations between major foods and dietary fibre with subtypes of stroke in a large prospective cohort. METHODS AND RESULTS: We analysed data on 418 329 men and women from nine European countries, with an average of 12.7 years of follow-up. Diet was assessed using validated country-specific questionnaires which asked about habitual intake over the past year, calibrated using 24-h recalls. Multivariable-adjusted Cox regressions were used to estimate hazard ratios (HRs) for ischaemic and haemorrhagic stroke associated with consumption of red and processed meat, poultry, fish, dairy foods, eggs, cereals, fruit and vegetables, legumes, nuts and seeds, and dietary fibre. For ischaemic stroke (4281 cases), lower risks were observed with higher consumption of fruit and vegetables combined (HR; 95% CI per 200 g/day higher intake, 0.87; 0.82-0.93, P-trend < 0.001), dietary fibre (per 10 g/day, 0.77; 0.69-0.86, P-trend < 0.001), milk (per 200 g/day, 0.95; 0.91-0.99, P-trend = 0.02), yogurt (per 100 g/day, 0.91; 0.85-0.97, P-trend = 0.004), and cheese (per 30 g/day, 0.88; 0.81-0.97, P-trend = 0.008), while higher risk was observed with higher red meat consumption which attenuated when adjusted for the other statistically significant foods (per 50 g/day, 1.07; 0.96-1.20, P-trend = 0.20). For haemorrhagic stroke (1430 cases), higher risk was associated with higher egg consumption (per 20 g/day, 1.25; 1.09-1.43, P-trend = 0.002). CONCLUSION: Risk of ischaemic stroke was inversely associated with consumption of fruit and vegetables, dietary fibre, and dairy foods, while risk of haemorrhagic stroke was positively associated with egg consumption. The apparent differences in the associations highlight the importance of examining ischaemic and haemorrhagic stroke subtypes separately.
Zheng J-S, Sharp SJ, Imamura F, et al., 2020, Association of plasma biomarkers of fruit and vegetable intake with incident type 2 diabetes: EPIC-InterAct case-cohort study in eight European countries, BMJ: British Medical Journal, Vol: 370, ISSN: 0959-535X
Objective To investigate the association of plasma vitamin C and carotenoids, as indicators of fruit and vegetable intake, with the risk of type 2 diabetes.Design Prospective case-cohort study.Setting Populations from eight European countries.Participants 9754 participants with incident type 2 diabetes, and a subcohort of 13 662 individuals from the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort of 340 234 participants: EPIC-InterAct case-cohort study.Main outcome measure Incident type 2 diabetes.Results In a multivariable adjusted model, higher plasma vitamin C was associated with a lower risk of developing type 2 diabetes (hazard ratio per standard deviation 0.82, 95% confidence interval 0.76 to 0.89). A similar inverse association was shown for total carotenoids (hazard ratio per standard deviation 0.75, 0.68 to 0.82). A composite biomarker score (split into five equal groups), comprising vitamin C and individual carotenoids, was inversely associated with type 2 diabetes with hazard ratios 0.77, 0.66, 0.59, and 0.50 for groups 2-5 compared with group 1 (the lowest group). Self-reported median fruit and vegetable intake was 274 g/day, 396 g/day, and 508 g/day for participants in categories defined by groups 1, 3, and 5 of the composite biomarker score, respectively. One standard deviation difference in the composite biomarker score, equivalent to a 66 (95% confidence interval 61 to 71) g/day difference in total fruit and vegetable intake, was associated with a hazard ratio of 0.75 (0.67 to 0.83). This would be equivalent to an absolute risk reduction of 0.95 per 1000 person years of follow up if achieved across an entire population with the characteristics of the eight European countries included in this analysis.Conclusions These findings indicate an inverse association between plasma vitamin C, carotenoids, and their composite biomarker score, and incident type 2 diabetes in different European countries. These biomarkers are ob
Aune D, Schlesinger S, Hamer M, et al., 2020, Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies, BMC Cardiovascular Disorders, Vol: 20, ISSN: 1471-2261
BackgroundPhysical activity has been associated with a significant reduction in risk of sudden cardiac death in epidemiological studies, however, the strength of the association needs clarification. We conducted a systematic review and meta-analysis to summarize the available data from population-based prospective studies.MethodsPubMed and Embase databases were searched for studies of physical activity and sudden cardiac death from inception to March 26th 2019. Prospective studies reporting adjusted relative risk (RR) estimates and 95% confidence intervals (CIs) of sudden cardiac death associated with physical activity were included. A random effects model was used to estimate summary RRs (95% CIs).ResultsThirteen prospective studies were included in the systematic review. Eight prospective studies with 1193 sudden cardiac deaths among 136,298 participants were included in the meta-analysis of physical activity and sudden cardiac death and the summary RR for highest vs. lowest level of physical activity was 0.52 (95% CI: 0.45–0.60, I2 = 0%, pheterogeneity = 0.72). The association was similar in men and women and among American and European studies. In the dose-response analysis the summary RR was 0.68 (95% CI: 0.55–0.86, I2 = 44%, n = 3) per 20 MET-hours/week. Although the test for nonlinearity was not significant, pnonlinearity = 0.18, there was no further reduction in risk beyond 20–25 MET-hours/week. The summary RR was 0.58 (95% CI: 0.41–0.81, I2 = 0%, pheterogeneity = 0.65, n = 2) for the highest vs. the lowest level of cardiorespiratory fitness.ConclusionThis meta-analysis suggest that a high compared to a low level of physical activity may reduce the risk of sudden cardiac death in the general population. Further studies are needed to clarify the dose-response relationship between specific subtypes and intensities of physical activity in relation
Aune D, Mahamat-Saleh Y, Norat T, et al., 2020, Diabetes mellitus and the risk of pancreatitis: A systematic review and meta-analysis of cohort studies, Pancreatology, Vol: 20, Pages: 602-607, ISSN: 1424-3903
BackgroundDiabetes mellitus has been associated with increased risk of pancreatitis in several studies, however, not all studies have found an association. We conducted a systematic review and meta-analysis of prospective studies on diabetes mellitus and pancreatitis to clarify the association.MethodsPubMed and Embase databases were searched for studies on diabetes mellitus and pancreatitis up to 8th of January 2020. Cohort studies that reported adjusted relative risk (RR) estimates and 95% confidence intervals (CIs) for the association between diabetes diagnosis and pancreatitis were included and summary RRs (95% CIs) were calculated using a random effects model.ResultsEight cohort studies were included in the meta-analysis, and seven of these were included in the analysis of diabetes mellitus and acute pancreatitis (14124 cases, 5.7 million participants). Comparing diabetes patients with persons without diabetes the summary RRs (95% CIs) were 1.74 (95% CI: 1.33–2.29, I2 = 95%) for acute pancreatitis, 1.40 (95% CI: 0.88–2.22, I2 = 0%, n = 2) for chronic pancreatitis, and 1.39 (95% CI: 1.07–1.80, I2 = 54%, n = 3) for pancreatitis overall. Although there was some indication of publication bias in the analysis of acute pancreatitis this appeared to be explained by one outlying study which when excluded did not substantially alter the association. The results persisted in several subgroup and sensitivity analyses.ConclusionsThese results suggest that diabetes patients are at an increased risk of acute pancreatitis. Further studies are needed on diabetes and risk of chronic pancreatitis, pancreatitis overall and on gallstone-related and non-gallstone-related pancreatitis.
Butt J, Jenab M, Pawlita M, et al., 2020, Antibody responses to Helicobacter pylori and risk of developing colorectal cancer in a European cohort, Cancer Epidemiology, Biomarkers and Prevention, Vol: 29, Pages: 1475-1481, ISSN: 1055-9965
BACKGROUND: While Helicobacter pylori (H. pylori) is the major cause of gastric cancer, it has also been suggested to be involved in colorectal cancer (CRC) development. However, prospective studies addressing H. pylori and CRC are sparse and inconclusive. We assessed the association of antibody responses to H. pylori proteins with CRC in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. METHODS: We applied H. pylori multiplex serology to measure antibody responses to 13 H. pylori proteins in pre-diagnostic serum samples from 485 CRC cases and 485 matched controls nested within the EPIC study. Odds ratios (OR) and 95% confidence intervals (CI) were calculated using multivariable conditional logistic regression to estimate the association of H. pylori overall and protein-specific sero-positivity with odds of developing CRC. RESULTS: Fifty-one percent of CRC cases were H. pylori sero-positive compared to 44% of controls resulting in an OR of 1.36 (95% CI: 1.00-1.85). Among the 13 individual H. pylori proteins, the association was driven mostly by sero-positivity to Helicobacter cysteine-rich protein C (HcpC) (OR: 1.66, 95% CI: 1.19-2.30) and Vacuolating cytotoxin A (VacA) (OR: 1.34, 95% CI: 0.99-1.82), the latter being non-statistically significant only in the fully adjusted model. CONCLUSION: In this prospective multi-center European study, antibody responses to H. pylori proteins, specifically HcpC and VacA, were associated with an increased risk of developing CRC. IMPACT: Biological mechanisms for a potential causal role of H. pylori in colorectal carcinogenesis need to be elucidated, and subsequently whether H. pylori eradication may decrease CRC incidence.
Christakoudi S, Kakourou A, Markozannes G, et al., 2020, Blood pressure and risk of cancer in the European prospective investigation into cancer and nutrition, International Journal of Cancer, Vol: 146, Pages: 2680-2693, ISSN: 0020-7136
Several studies have reported associations of hypertension with cancer, but not allresults were conclusive. We examined the association of systolic (SBP) and diastolic (DBP)blood pressure with the development of incident cancer at all anatomical sites in theEuropean Prospective Investigation into Cancer and Nutrition (EPIC). Hazard ratios (HR)(95% confidence intervals) were estimated using multivariable Cox proportional hazardsmodels, stratified by EPIC-participating centre and age at recruitment, and adjusted for sex,education, smoking, body mass index, physical activity, diabetes and dietary (in women alsoreproductive) factors. The study included 307,318 men and women, with an average followup of 13.7 (standard deviation 4.4) years and 39,298 incident cancers. We confirmed theexpected positive association with renal cell carcinoma: HR=1.12 (1.08-1.17) per 10mmHghigher SBP and HR=1.23 (1.14-1.32) for DBP. We additionally found positive associationsfor esophageal squamous cell carcinoma (SCC): HR=1.16 (1.07-1.26) (SBP), HR=1.31 (1.13-1.51) (DBP), weaker for head and neck cancers: HR=1.08 (1.04-1.12) (SBP), HR=1.09(1.01-1.17) (DBP) and, similarly, for skin SCC, colon cancer, post-menopausal breast cancerand uterine adenocarcinoma (AC), but not for esophageal AC, lung SCC, lung AC, or uterineendometroid cancer. We observed weak inverse associations of SBP with cervical SCC:HR=0.91 (0.82-1.00) and lymphomas: HR=0.97 (0.93-1.00). There were no consistentassociations with cancers in other locations.Our results are largely compatible with published studies and support weak associations ofblood pressure with cancers in specific locations and morphologies.
Peto J, Alwan NA, Godfrey KM, et al., 2020, Universal weekly testing as the UK COVID-19 lockdown exit strategy, The Lancet, Vol: 395, Pages: 1420-1421, ISSN: 0140-6736
Murphy N, Carreras-Torres R, Song M, et al., 2020, Circulating levels of insulin-like growth factor 1 and insulin-like growth factor binding protein 3 associate with risk of colorectal cancer based on serologic and mendelian randomization analyses, Gastroenterology, Vol: 158, Pages: 1300-1312.e20, ISSN: 0016-5085
BACKGROUND AIMS: Human studies examining associations between circulating levels of insulin-like growth factor 1 (IGF1) and insulin-like growth factor binding protein 3 (IGFBP3) and colorectal cancer risk have reported inconsistent results. We conducted complementary serologic and Mendelian randomization (MR) analyses to determine whether alterations in circulating levels of IGF1 or IGFBP3 are associated with colorectal cancer development. METHODS: Serum levels of IGF1 and other proteins were measured in blood samples collected from 397,380 participants from the UK Biobank, from 2006 through 2010. Incident cancer cases and cancer cases recorded first in death certificates were identified through linkage to national cancer and death registries. Complete follow up was available through March 31, 2016. For the MR analyses, we identified genetic variants associated with circulating levels of IGF1 and IGFBP3. The association of these genetic variants with colorectal cancer was examined with 2-sample MR methods using genome-wide association study consortia data (52,865 cases with colorectal cancer and 46,287 individuals without [controls]) RESULTS: After a median follow-up period of 7.1 years, 2665 cases of colorectal cancer were recorded. In a multivariable-adjusted model, circulating level of IGF1 level associated with colorectal cancer risk (hazard ratio per 1 standard deviation increment of IGF1, 1.11; 95% CI, 1.05-1.17). Similar associations were found by sex, follow-up time, and tumor subsite. In the MR analyses, a 1 standard deviation increment in IGF1 level, predicted based on genetic factors, was associated with a higher risk of colorectal cancer risk (odds ratio, 1.08; 95% CI, 1.03-1.12; P=3.3 x 10-4). Level of IGFBP3, predicted based on genetic factors, was associated with colorectal cancer risk (odds ratio per 1 standard deviation increment, 1.12; 95% CI, 1.06-1.18; P =4.2 x 10-5). Colorectal cancer risk was associated with only 1 variant in IGFBP3 (rs11977526
Sebastiani G, Massa M, Riboli E, 2020, Covid-19 epidemic in Italy: evolution, projections and impact of government measures, EUROPEAN JOURNAL OF EPIDEMIOLOGY, Vol: 35, Pages: 341-345, ISSN: 0393-2990
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Aune D, Sen A, Norat T, et al., 2020, Dietary fibre intake and the risk of diverticular disease: a systematic review and meta-analysis of prospective studies, European Journal of Nutrition, Vol: 59, Pages: 421-432, ISSN: 0044-264X
BACKGROUND: A high intake of dietary fibre has been associated with a reduced risk of diverticular disease in several studies; however, the dose-response relationship between fibre intake and diverticular disease risk has varied, and the available studies have not been summarised in a meta-analysis. We conducted a systematic review and meta-analysis of prospective cohort studies to clarify the association between dietary fibre intake, fibre subtypes, and the risk of diverticular disease. METHODS: PubMed and Embase databases were searched up to August 9th 2018. Summary relative risks (RRs) and 95% confidence intervals (CIs) were calculated using a random-effects model and nonlinear associations were modelled using fractional polynomial models. RESULTS: Five prospective cohort studies with 19,282 cases and 865,829 participants were included in the analysis of dietary fibre and diverticular disease risk. The summary RR was 0.74 (95% CI 0.71-0.78, I2 = 0%) per 10 g/day. There was no evidence of a nonlinear association between dietary fibre intake and diverticular disease risk, pnonlinearity = 0.35, and there was a 23%, 41% and 58% reduction in risk for an intake of 20, 30, and 40 g/day, respectively, compared to 7.5 g/day. There was no evidence of publication bias with Egger's test, p = 0.58 and the association persisted in subgroup and sensitivity analyses. The summary RR per 10 g/day was 0.74 (95% CI 0.67-0.81, I2 = 60%, n = 4) for cereal fibre, 0.56 (95% CI 0.37-0.84, I2 = 73%, n = 2) for fruit fibre, and 0.80 (95% CI 0.45-1.44, I2 = 87%, n = 2) for vegetable fibre. CONCLUSIONS: These results suggest that a high fibre intake may reduce the risk of diverticular disease and individuals consuming 30 g of fibre per day have a 41% reduction in risk compared to persons with a low fibre intake. Further studies are needed on f
Trabert B, Tworoger SS, O'Brien KM, et al., 2020, The risk of ovarian cancer increases with an increase in the lifetime number of ovulatory cycles: an analysis from the ovarian cancer cohort consortium (OC3), Cancer Research, Vol: 80, Pages: 1210-1218, ISSN: 0008-5472
Repeated exposure to the acute proinflammatory environment that follows ovulation at the ovarian surface and distal fallopian tube over a woman's reproductive years may increase ovarian cancer risk. To address this, analyses included individual-level data from 558,709 naturally menopausal women across 20 prospective cohorts, among whom 3,246 developed invasive epithelial ovarian cancer (2,045 serous, 319 endometrioid, 184 mucinous, 121 clear cell, 577 other/unknown). Cox models were used to estimate multivariable-adjusted HRs between lifetime ovulatory cycles (LOC) and its components and ovarian cancer risk overall and by histotype. Women in the 90th percentile of LOC (>514 cycles) were almost twice as likely to be diagnosed with ovarian cancer than women in the 10th percentile (<294) [HR (95% confidence interval): 1.92 (1.60–2.30)]. Risk increased 14% per 5-year increase in LOC (60 cycles) [(1.10–1.17)]; this association remained after adjustment for LOC components: number of pregnancies and oral contraceptive use [1.08 (1.04–1.12)]. The association varied by histotype, with increased risk of serous [1.13 (1.09–1.17)], endometrioid [1.20 (1.10–1.32)], and clear cell [1.37 (1.18–1.58)], but not mucinous [0.99 (0.88–1.10), P-heterogeneity = 0.01] tumors. Heterogeneity across histotypes was reduced [P-heterogeneity = 0.15] with adjustment for LOC components [1.08 serous, 1.11 endometrioid, 1.26 clear cell, 0.94 mucinous]. Although the 10-year absolute risk of ovarian cancer is small, it roughly doubles as the number of LOC rises from approximately 300 to 500. The consistency and linearity of effects strongly support the hypothesis that each ovulation leads to small increases in the risk of most ovarian cancers, a risk that cumulates through life, suggesting this as an important area for identifying intervention strategies.
Aglago EK, Huybrechts I, Murphy N, et al., 2020, Consumption of fish and long-chain n-3 polyunsaturated fatty acids is associated with reduced risk of colorectal cancer in a large European cohort, Clinical Gastroenterology and Hepatology, Vol: 18, Pages: 654-666.e6, ISSN: 1542-3565
BACKGROUND & AIMS: There is an unclear association between intake of fish and long-chain n-3 polyunsaturated fatty acids (n-3 LC-PUFAs) and colorectal cancer (CRC). We examined the association between fish consumption, dietary and circulating levels of n-3 LC-PUFAs, and ratio of n-6:n-3 LC-PUFA with CRC using data from the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. METHODS: Dietary intake of fish (total, fatty/oily, lean/white) and n-3 LC-PUFA were estimated by food frequency questionnaires given to 521,324 participants in the EPIC study; among these, 6291 individuals developed CRC (median follow up, 14.9 years). Levels of phospholipid LC-PUFA were measured by gas chromatography in plasma samples from a sub-group of 461 CRC cases and 461 matched individuals without CRC (controls). Multivariable Cox proportional hazards and conditional logistic regression models were used to calculate hazard ratios (HRs) and odds ratios (ORs), respectively, with 95% CIs. RESULTS: Total intake of fish (HR for quintile 5 vs 1, 0.88; 95% CI, 0.80-0.96; Ptrend=.005), fatty fish (HR for quintile 5 vs 1, 0.90; 95% CI, 0.82-0.98; Ptrend=.009), and lean fish (HR for quintile 5 vs 1, 0.91; 95% CI, 0.83-1.00; Ptrend=.016) were inversely associated with CRC incidence. Intake of total n-3 LC-PUFA (HR for quintile 5 vs 1, 0.86; 95% CI, 0.78-0.95; Ptrend=.010) was also associated with reduced risk of CRC, whereas dietary ratio of n-6:n-3 LC-PUFA was associated with increased risk of CRC (HR for quintile 5 vs 1, 1.31; 95% CI, 1.18-1.45; Ptrend<.001). Plasma levels of phospholipid n-3 LC-PUFA was not associated with overall CRC risk, but an inverse trend was observed for proximal compared with distal colon cancer (Pheterogeneity=.026). CONCLUSIONS: In an analysis of dietary patterns of participants in the EPIC study, we found regular consumption of fish, at recommended levels, to be associated with a lower risk of CRC, possibly through exposure to n-3 LC-PUFA.
Assi N, Rinaldi S, Viallon V, et al., 2020, Mediation analysis of the alcohol-postmenopausal breast cancer relationship by sex hormones in the EPIC cohort, International Journal of Cancer, Vol: 146, Pages: 759-768, ISSN: 0020-7136
Alcohol consumption is associated with higher risk of breast cancer (BC); however, the biological mechanisms underlying this association are not fully elucidated, particularly the extent to which this relationship is mediated by sex hormone levels. Circulating concentrations of estradiol, testosterone, their free fractions and sex-hormone binding globulin (SHBG), were examined in 430 incident BC cases and 645 matched controls among alcohol-consuming postmenopausal women nested within the European Prospective Investigation into Cancer and Nutrition. Mediation analysis was applied to assess whether individual hormone levels mediated the relationship between alcohol intake and BC risk. An alcohol-related hormonal signature, obtained by partial least square (PLS) regression, was evaluated as a potential mediator. Total (TE), natural direct and natural indirect effects (NIE) were estimated. Alcohol intake was positively associated with overall BC risk and specifically with estrogen receptor-positive tumors with respectively TE = 1.17(95%CI: 1.01,1.35) and 1.36(1.08,1.70) for a 1-standard deviation (1-SD) increase of intake. There was no evidence of mediation by sex steroids or SHBG separately except for a weak indirect effect through free estradiol where NIE = 1.03(1.00,1.06). However, an alcohol-related hormonal signature negatively associated with SHBG and positively with estradiol and testosterone was associated with BC risk (odds ratio [OR] = 1.25 [1.07,1.47]) for a 1-SD higher PLS score, and had a statistically significant NIE accounting for a mediated proportion of 24%. There was limited evidence of mediation of the alcohol-BC association by individual sex hormones. However, a hormonal signature, reflecting lower levels of SHBG and higher levels of sex steroids, mediated a substantial proportion of the association.
Schmidt JA, Fensom GK, Rinaldi S, et al., 2020, Patterns in metabolite profile are associated with risk of more aggressive prostate cancer: A prospective study of 3,057 matched case-control sets from EPIC, International Journal of Cancer, Vol: 146, Pages: 720-730, ISSN: 0020-7136
Metabolomics may reveal novel insights into the etiology of prostate cancer, for which few risk factors are established. We investigated the association between patterns in baseline plasma metabolite profile and subsequent prostate cancer risk, using data from 3,057 matched case-control sets from the European Prospective Investigation into Cancer and Nutrition (EPIC). We measured 119 metabolite concentrations in plasma samples, collected on average 9.4 years before diagnosis, by mass spectrometry (AbsoluteIDQ p180 Kit, Biocrates Life Sciences AG). Metabolite patterns were identified using treelet transform, a statistical method for identification of groups of correlated metabolites. Associations of metabolite patterns with prostate cancer risk (OR1SD ) were estimated by conditional logistic regression. Supplementary analyses were conducted for metabolite patterns derived using principal component analysis and for individual metabolites. Men with metabolite profiles characterized by higher concentrations of either phosphatidylcholines or hydroxysphingomyelins (OR1SD = 0.77, 95% confidence interval 0.66-0.89), acylcarnitines C18:1 and C18:2, glutamate, ornithine and taurine (OR1SD = 0.72, 0.57-0.90), or lysophosphatidylcholines (OR1SD = 0.81, 0.69-0.95) had lower risk of advanced stage prostate cancer at diagnosis, with no evidence of heterogeneity by follow-up time. Similar associations were observed for the two former patterns with aggressive disease risk (the more aggressive subset of advanced stage), while the latter pattern was inversely related to risk of prostate cancer death (OR1SD = 0.77, 0.61-0.96). No associations were observed for prostate cancer overall or less aggressive tumor subtypes. In conclusion, metabolite patterns may be related to lower risk of more aggressive prostate tumors and prostate cancer death, and might be relevant to etiology of advanced stage prostate cancer.
Rolandsson O, Hampe CS, Sharp SJ, et al., 2020, Autoimmunity plays a role in the onset of diabetes after 40 years of age, Diabetologia, Vol: 63, Pages: 266-277, ISSN: 0012-186X
AIMS/HYPOTHESIS: Type 1 and type 2 diabetes differ with respect to pathophysiological factors such as beta cell function, insulin resistance and phenotypic appearance, but there may be overlap between the two forms of diabetes. However, there are relatively few prospective studies that have characterised the relationship between autoimmunity and incident diabetes. We investigated associations of antibodies against the 65 kDa isoform of GAD (GAD65) with type 1 diabetes and type 2 diabetes genetic risk scores and incident diabetes in adults in European Prospective Investigation into Cancer and Nutrition (EPIC)-InterAct, a case-cohort study nested in the EPIC cohort. METHODS: GAD65 antibodies were analysed in EPIC participants (over 40 years of age and free of known diabetes at baseline) by radioligand binding assay in a random subcohort (n = 15,802) and in incident diabetes cases (n = 11,981). Type 1 diabetes and type 2 diabetes genetic risk scores were calculated. Associations between GAD65 antibodies and incident diabetes were estimated using Prentice-weighted Cox regression. RESULTS: GAD65 antibody positivity at baseline was associated with development of diabetes during a median follow-up time of 10.9 years (HR for GAD65 antibody positive vs negative 1.78; 95% CI 1.43, 2.20) after adjustment for sex, centre, physical activity, smoking status and education. The genetic risk score for type 1 diabetes but not type 2 diabetes was associated with GAD65 antibody positivity in both the subcohort (OR per SD genetic risk 1.24; 95% CI 1.03, 1.50) and incident cases (OR 1.97; 95% CI 1.72, 2.26) after adjusting for age and sex. The risk of incident diabetes in those in the top tertile of the type 1 diabetes genetic risk score who were also GAD65 antibody positive was 3.23 (95% CI 2.10, 4.97) compared with all other individuals, suggesting that 1.8% of incident diabetes in adults was attributable to this combination of risk factors. CONCLUSIONS/INTERPRETATION: Our study indica
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