Author(s): Wannamethee SG, Shaper AG, Lennon L
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Abstract OBJECTIVE: To examine the relation of diabetes and coronary heart disease (CHD; myocardial infarction (MI) or angina) to the incidence of major CHD and stroke events and total mortality. METHODS: Prospective study of 5934 men aged 52-74 years followed up for 10 years. The men were divided into five groups according to their diabetes and CHD status. RESULTS: During the follow up there were 662 major CHD events, 305 major stroke events, and 1357 deaths from all causes (637 cardiovascular disease (CVD) deaths, 417 CHD deaths). Men with diabetes had significantly increased cardiovascular and total mortality risk compared with non-diabetic men with no CHD but lower risk than men with prior MI only. The adjusted relative risk for CHD deaths was 2.82 (95\% confidence interval (CI) 1.85 to 4.28) in men with diabetes only, 2.12 (95\% CI 1.53 to 2.93) in men with angina only, 3.91 (95\% CI 3.07 to 4.99) in men with MI, and 8.93 (95\% CI 6.13 to 12.99) in men with both diabetes and CHD. Case fatality among men with diabetes only was similar to those with prior MI only. CHD and CVD mortality increased with increasing duration of diabetes with risk eventually approaching that of patients with MI without diabetes. CONCLUSION: Men with diabetes only have a CVD risk intermediate between men with angina and men with prior MI. Their absolute risk is high and the prognosis for diabetic patients who develop CHD is extremely poor.
This article was published in Heart
and referenced in Journal of Gerontology & Geriatric Research