Affiliation:
1. Department of Preventive Medicine and Epidemiology, Loyola University Stritch School of Medicine Maywood, Illinois Diabetes Translation Branch, Centers for Disease Control Atlanta, Georgia
Abstract
Objective
To determine age-related differences in case-fatality rates among diabetic patients with myocardial infarction (MI). Published studies have demonstrated 60% higher case-fatality rates during acute MI among diabetic patients compared with those without diabetes. However, many previous reports have been of insufficient size to examine the effect of age on mortality and have not been drawn from a representative sample of hospitals. The National Hospital Discharge Survey provides data on discharge diagnosis and vital status from a random sample of ∼ 500 short-stay American hospitals.
Research Design and Methods
In this analysis, people with acute MI listed as the first diagnosis on the discharge sheet were studied. Any mention of diabetes mellitus on the discharge sheet was used to stratify the patients into those with and without diabetes.
Results
Age-adjusted case-fatality rates were identical in patients with and without diabetes for both sexes: 16.1 vs. 16.3 in men and 18 vs. 18.2 in women, respectively. Mortality rates were, however, higher among the younger patients with diabetes. Ratios of the case-fatality percentage by 10-yr age-groups (age 35-75 yr) and ≤ 75 yr old for diabetes versus no diabetes were 1.7, 1.8, 1.2, 0.9, and 0.9 for men and 2.4, 1.2, 1.1, 1, and 0.9 for women.
Conclusions
Diabetes thus appears to increase the in-hospital mortality risk with acute MI disproportionately in the younger age-groups, particularly among men, and does not appear to be a marker of increased risk among the elderly.
Publisher
American Diabetes Association
Subject
Advanced and Specialized Nursing,Endocrinology, Diabetes and Metabolism,Internal Medicine
Cited by
28 articles.
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