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Articles by D. S Michaud
Total Records ( 2 ) for D. S Michaud
  A. A Arslan , K. J Helzlsouer , C Kooperberg , X. O Shu , E Steplowski , H. B Bueno de Mesquita , C. S Fuchs , M. D Gross , E. J Jacobs , A. Z LaCroix , G. M Petersen , R. Z Stolzenberg Solomon , W Zheng , D Albanes , L Amundadottir , W. R Bamlet , A Barricarte , S. A Bingham , H Boeing , M. C Boutron Ruault , J. E Buring , S. J Chanock , S Clipp , J. M Gaziano , E. L Giovannucci , S. E Hankinson , P Hartge , R. N Hoover , D. J Hunter , A Hutchinson , K. B Jacobs , P Kraft , S. M Lynch , J Manjer , J. E Manson , A McTiernan , R. R McWilliams , J. B Mendelsohn , D. S Michaud , D Palli , T. E Rohan , N Slimani , G Thomas , A Tjonneland , G. S Tobias , D Trichopoulos , J Virtamo , B. M Wolpin , K Yu , A Zeleniuch Jacquotte and A. V. Patel
 

Background  Obesity has been proposed as a risk factor for pancreatic cancer.

Methods  Pooled data were analyzed from the National Cancer Institute Pancreatic Cancer Cohort Consortium (PanScan) to study the association between prediagnostic anthropometric measures and risk of pancreatic cancer. PanScan applied a nested case-control study design and included 2170 cases and 2209 control subjects. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using unconditional logistic regression for cohort-specific quartiles of body mass index (BMI [calculated as weight in kilograms divided by height in meters squared]), weight, height, waist circumference, and waist to hip ratio as well as conventional BMI categories (underweight, <18.5; normal weight, 18.5-24.9; overweight, 25.0-29.9; obese, 30.0-34.9; and severely obese, ≥35.0). Models were adjusted for potential confounders.

Results  In all of the participants, a positive association between increasing BMI and risk of pancreatic cancer was observed (adjusted OR for the highest vs lowest BMI quartile, 1.33; 95% CI, 1.12-1.58; Ptrend < .001). In men, the adjusted OR for pancreatic cancer for the highest vs lowest quartile of BMI was 1.33 (95% CI, 1.04-1.69; Ptrend < .03), and in women it was 1.34 (95% CI, 1.05-1.70; Ptrend = .01). Increased waist to hip ratio was associated with increased risk of pancreatic cancer in women (adjusted OR for the highest vs lowest quartile, 1.87; 95% CI, 1.31-2.69; Ptrend = .003) but less so in men.

Conclusions  These findings provide strong support for a positive association between BMI and pancreatic cancer risk. In addition, centralized fat distribution may increase pancreatic cancer risk, especially in women.

  M. J. J Van Hemelrijck , D. S Michaud , G. N Connolly and Z. Kabir
  Background

Smoking accounts for >50% of bladder cancers (BCs) in men and 30% in women. Our aim is to explore this large discrepancy by contrasting countries with distinct smoking patterns and habits as these might explain sex differences for BC.

Methods

Temporal patterns in BC incidence rates, lung cancer (LC) death rates, smoking prevalence and cigarette consumption across time by sex were analyzed by calculating annual percent changes (APCs), using joinpoint regression, for Spain (1973–97), Sweden (1958–97) and the UK (1960–97).

Results

APCs for overall BC incidence rates were increasing for both sexes, ranging from 1.43% (1.25; 1.60) (British men) to 3.79% (3.15; 4.44) (Spanish men). APCs for overall LC death rates were also increasing in Sweden and Spain, but the UK showed decreasing APCs for LC death rates in men: –0.48% (–0.86; 0.10). Spain showed decreasing APCs for smoking prevalence among men and increasing APCs among women, –1.65% (–1.79; –1.51) and 2.48% (1.97; 3.00), respectively, but no differences by sex were found for the UK and Sweden.

Conclusions

Findings indirectly reflected lag-time of minimum 30 years between smoking and onset of BC. The lack of sex differences for APCs of BC across these countries suggests potential contributions of changes in other population exposure levels.

 
 
 
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