Risk of Myocardial Infarction in Men and Women with Type 2 Diabetes in the UK: a Cohort Study Using the General Practice Research Database

Overview

Journal Diabetologia

Specialty Endocrinology

Date 2008 Jun 27

PMID 18581091

Citations 27

Authors

H E Mulnier

H E Seaman

V S Raleigh

S S Soedamah-Muthu

H M Colhoun

R A Lawrenson

C S de Vries

Affiliations

Soon will be listed here.

Abstract

Aims/hypothesis: Our primary aim was to establish reliable and generalisable estimates of the risk of myocardial infarction (MI) for men and women with type 2 diabetes in the UK compared with people without diabetes. Our secondary aim was to investigate how the MI risk associated with diabetes differs between men and women.

Methods: A cohort study using the General Practice Research Database (1992-1999) was carried out, selecting 40,727 patients with type 2 diabetes and 194,913 age and sex-matched patients without diabetes. Rates of MI in men and women with and without diabetes were derived, as were hazard ratios for MI adjusted for known risk factors.

Results: The rate of MI in men with type 2 diabetes was 19.74 (95% CI 18.83-20.69) per 1,000 person-years compared with 16.18 (95% CI 15.33-17.08) per 1,000 person-years in women with type 2 diabetes. The overall adjusted relative risk of MI in diabetes versus no diabetes was 2.13 (95% CI 2.01-2.26) in men and 2.95 (95% CI 2.75-3.17) in women and decreased with age in both sexes. Women with type 2 diabetes aged 35 to 54 years were at almost five times the risk of MI compared with women of the same age without diabetes (HR 4.86 [95% CI 2.78-8.51]).

Conclusions/interpretation: This study has demonstrated that women with type 2 diabetes are at a much greater relative risk of MI than men even when adjusted for risk factors.

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