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      Excess risk of fatal coronary heart disease associated with diabetes in men and women: meta-analysis of 37 prospective cohort studies

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      BMJ

      BMJ

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          Abstract

          To estimate the relative risk for fatal coronary heart disease associated with diabetes in men and women. Meta-analysis of prospective cohort studies. Studies published between 1966 and March 2005, identified through Embase and Medline, using a combined text word and MESH heading search strategy, in addition to studies from the Asia Pacific Cohort Studies Collaboration. Studies were eligible if they had reported estimates of the relative risk for fatal coronary heart disease comparing men and women with and without diabetes. Studies were excluded if the estimates were not adjusted at least for age. 37 studies of type 2 diabetes and fatal coronary heart disease among a total of 447,064 patients were identified. The rate of fatal coronary heart disease was higher in patients with diabetes than in those without (5.4 v 1.6%). The overall summary relative risk for fatal coronary heart disease in patients with diabetes compared with no diabetes was significantly greater among women than it was among men: 3.50, 95% confidence interval 2.70 to 4.53 v 2.06, 1.81 to 2.34. After exclusion of the eight studies that had adjusted only for age, the difference in risk between the sexes was substantially reduced but still highly significant. The pooled ratio of the relative risks (women: men) from the 29 studies with multiple adjusted estimates was 1.46 (1.14 to 1.88). The relative risk for fatal coronary heart disease associated with diabetes is 50% higher in women than it is in men. This greater excess coronary risk may be explained by more adverse cardiovascular risk profiles among women with diabetes, combined with possible disparities in treatment that favour men.

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          Author and article information

          Journal
          BMJ
          BMJ
          BMJ
          0959-8138
          1468-5833
          January 12 2006
          January 14 2006
          January 14 2006
          December 21 2005
          : 332
          : 7533
          : 73-78
          Article
          10.1136/bmj.38678.389583.7C
          1326926
          16371403
          © 2005

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