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Diabetes type II, other medical conditions and pancreatic cancer risk: a prospective study in The Netherlands.


ABSTRACT: BACKGROUND: To date, only a few risk factors for pancreatic cancer have been established. We examined prospectively relations between several medical conditions and pancreatic cancer incidence. METHODS: In 1986, 120 852 participants completed a baseline questionnaire on cancer risk factors, including several self-reported physician diagnosed medical conditions. At baseline, a random subcohort of 5000 participants was selected using a case-cohort approach for analysis. After 16.3 years of follow-up, 448 pancreatic cancer cases (63% microscopically confirmed) were available for analysis. RESULTS: Diabetes mellitus type II and hepatitis were positively associated with pancreatic cancer risk (multivariable-adjusted hazard ratio: 1.79; 95% confidence interval: 1.12-2.87 and hazard ratio: 1.37; 95% confidence interval: 1.04-1.81, respectively). Furthermore, a positive trend in risk with increasing years of diagnosis of diabetes (P=0.004) and of hepatitis (P=0.02) was observed. However, an inverse association was observed between hypertension and pancreatic cancer risk, this was found among microscopically confirmed cases only (hazard ratio: 0.66; 95% confidence interval: 0.49-0.90), while years since diagnosis of hypertension significantly decreased cancer risk (P for trend=0.02). CONCLUSION: In this prospective study, a positive association was observed between self-reported physician diagnosed diabetes mellitus type II and hepatitis and pancreatic cancer risk, whereas an inverse association was observed with hypertension.

SUBMITTER: Eijgenraam P 

PROVIDER: S-EPMC3844907 | biostudies-other | 2013 Nov

REPOSITORIES: biostudies-other

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