Abstract
ObjectivesKnowledge about the incidence of coronary heart disease in our country is scarce and its sources are not comparable. Our aim was to determine the incidence of ischemic heart disease in a population cohort in a 7 years of follow-up, as well as the risk associated with the different classical cardiovascular risk factors. MethodsCohort study with a population sample of 2833 subjects, selected by the simple random method in a population between 25 and 79, from the Don Benito – Villanueva de la Serena (Badajoz) health area, response rate was 80.5%.All episodes of angina pectoris, lethal and non-lethal myocardial infarction were collected in individuals with no previous history of cardiovascular disease. Cumulative incidences and incidence rates adjusted per 100,000 person-years by sex and overall were calculated. ResultsFrom 2833 initial cohort participants, 103 were excluded due to a history of cardiovascular disease and 61 for losses, 2669 completed the follow-up (94.2%). The median follow-up was 6.9 years (IR 6.5–7.5), 56.4% women; 59 events were recorded. The overall incidence rate of ischemic heart disease was 327 cases/100,000 person-years, corresponding to 470 cases/100,000 for men and 211 cases/100,000 people-years for women. The classical cardiovascular risk factors that were associated with a higher risk of presenting events in the follow-up were dyslipidemia and arterial hypertension, in addition to male sex and age. ConclusionsThe incidence of ischemic heart disease in the urban–rural population of Extremadura is high. The classical cardiovascular risk factors most strongly associated with events were dyslipidemia, and arterial hypertension.
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