Wannamethee, S. G., Shaper, A. G., Whincup, P. H., Lennon, L. and Sattar, N. (2011) Impact of Diabetes on Cardiovascular Disease Risk and All-Cause Mortality in Older Men: Influence of Age at Onset, Diabetes Duration, and Established and Novel Risk Factors. Archives of Internal Medicine, 171(5), pp. 404-410. (doi: 10.1001/archinternmed.2011.2)
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Publisher's URL: http://dx.doi.org/10.1001/archinternmed.2011.2
Abstract
Background: We have examined the influence of age at onset and duration on the impact of diabetes mellitus on cardiovascular disease risk and all cause-mortality among men aged 60 to 79 years. Methods: A prospective study of 4045 men aged 60 to 79 years followed up for a mean of 9 years, during which there were 372 major coronary heart disease (CHD) events (fatal and nonfatal myocardial infarction [MI]), 455 deaths from cardiovascular disease, and 1112 deaths from all causes. Men were classified as having (1) no history of MI and diabetes, (2) late-onset diabetes (diagnosed at >= 60 years or undiagnosed diabetes [fasting blood glucose level, > 126.1 mg/dL]), (3) early-onset diabetes (diagnosed before age 60 years), or (4) prior MI. Results: Men who had both MI and diabetes were excluded. Both early and late onset of diabetes were associated with a significantly increased risk of major CHD events and all-cause mortality compared with nondiabetic men who had no CHD, even after adjustment for conventional risk factors and novel risk markers (levels of C-reactive protein and von Willebrand factor and renal dysfunction). Only men with early-onset diabetes (associated with a duration of 16.7 years) showed risk similar to those with previous MI and no diabetes. The adjusted relative risks (95% confidence intervals) for major CHD events were 1.00 (reference), 1.54 (1.07-2.21), 2.39 (1.41-4.05), and 2.51 (1.88-3.36) for groups 1 through 4, respectively. Conclusion: Both early and late onset of diabetes are associated with increased risk of major CHD events and mortality, but only early onset of diabetes (associated with > 10 years' duration) appears to be a CHD equivalent.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Sattar, Professor Naveed |
Authors: | Wannamethee, S. G., Shaper, A. G., Whincup, P. H., Lennon, L., and Sattar, N. |
College/School: | College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health |
Journal Name: | Archives of Internal Medicine |
ISSN: | 0003-9926 |
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