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Anales del Sistema Sanitario de Navarra

versión impresa ISSN 1137-6627

Resumen

LARRANAGA, N. et al. Incidence of acute myocardial infarction in the Spanish epic cohort. Anales Sis San Navarra [online]. 2009, vol.32, n.1, pp.51-59. ISSN 1137-6627.

Background. There is some evidence that Mediterranean diet reduces risk of ischemic heart disease, and this is to be investigated in the Spanish cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC). In this paper we present the incidence of acute myocardial infarction (AMI) in four EPIC Spanish cohorts. Method. Incidence cases were ascertained in EPIC cohort during the follow up period (from recruitment to the end of 2004), by means of self-report questionnaires, hospital morbidity and mortality registries, and population AMI registries. Analysis was restricted to aged 45 to 74. The present study included data from 13,704 women and 19,410 men, after excluding a priori participants with prevalent AMI. Age standardized incidence rate for each cohort was estimated and compared with the available population rates. Results. The Median duration of follow-up was 9.3 years, yielding a total of 297,704 person-years. 391 men and 99 women presented AMI in the four cohorts studied. Age standardized AMI rates in men of the EPIC cohorts go from the lowest 302 (CI: 268-335) per 100.000 person-year of Gipuzkoa to the highest 330 (CI: 293-367) of Navarra. Women in Navarra presented the lowest AMI incidence with 60 (CI: 43-77) per 100,000 and the highest was observed in Murcia (114, CI: 91-137). The AMI incidence in all EPIC centres are close to the population incidence rates and in any case these are within the EPIC 95% CI. Conclusions. The comparison of incidence in EPIC with population rates shows very good agreement for acute myocardial infarction.

Palabras clave : Ischemic heart disease; EPIC; Incidence rate; Myocardial infarction.

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