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  • Title: Changes in prevalence of nonfatal coronary heart disease in the United States from 1971-1994.
    Author: Ford ES, Giles WH.
    Journal: Ethn Dis; 2003; 13(1):85-93. PubMed ID: 12723017.
    Abstract:
    OBJECTIVE: To examine temporal trends in the prevalence of nonfatal coronary heart disease in the United States. DESIGN: Four national cross-sectional health surveys: National Health and Nutrition Examination Survey (NHANES) I (1971-1975), NHANES II (1976-1980), NHANES III (1988-1994), and Hispanic HANES (HHANES) (1982-1984). SETTING: United States. PARTICIPANTS: Persons aged 40-74 years. MAIN OUTCOME MEASUREMENTS: Prevalence of angina, self-reported myocardial infarction, and electrocardiographically defined myocardial infarction (ECG-MI). RESULTS: Generally, the age-adjusted prevalence of angina pectoris was higher among women than men, but the reverse was true for self-reported myocardial infarction and ECG-MI. Increases in the prevalence of angina pectoris occurred for Mexican-American men and women, and African-American women, but were not statistically significant for the latter. Age-adjusted rates of self-reported myocardial infarction increased among African-American men (P=.019) and women (P=.005) and Mexican-American men (P>.05), but decreased among White men (P>.05) and women (P>.05). The prevalence of age-adjusted ECG-MI decreased among African-American men and women, White women, and to a lesser degree, White men; however, none of these decreases were statistically significant. Relative standard errors for ECG-MI prevalence in NHANES I and II among African Americans were large; therefore, prevalence trends need to be interpreted cautiously. CONCLUSIONS: The decreases in ECG-MI could be due either to decreased incidence of coronary heart disease or myocardial infarction, or increases in the rates of timely cardiac interventions that minimize damage to the myocardium.
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