Incidence of Total Stroke, Stroke Subtypes, and Myocardial Infarction in the Japanese Population : The JMS Cohort Study

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Abstract

<B>Background:</B> Previous reports indicated that the incidence rate of stroke was higher in Japan than in Western countries, but the converse was true in the case of myocardial infarction (MI). However, few population-based studies on the incidence rates of stroke and MI have been conducted in Japan.<BR><B>Methods:</B> The Jichi Medical School (JMS) Cohort Study is a multicenter population-based cohort study that was conducted in 12 districts in Japan. Baseline data were collected between April 1992 and July 1995. We examined samples from 4,869 men and 7,519 women, whose mean ages were 55.2 and 55.3 years, respectively. The incidence of stroke, stroke subtypes, and MI were monitored.<BR><B>Results:</B> The mean follow-up duration was 10.7 years. A total of 229 strokes and 64 MIs occurred in men, and 221 strokes and 28 MIs occurred in women. The age-adjusted incidence rates (per 100,000 person-years) of stroke were 332 and 221 and those of MI were 84 and 31 in men and women, respectively. In the case of both sexes, the incidence rates of stroke and MI were the highest in the group of subjects aged > 70 years.<BR><B>Conclusion:</B> We reported current data on the incidence rates of stroke and MI in Japan. The incidence rate of stroke remains high, considerably higher than that of MI, in both men and women. The incidence rates of both stroke and MI were higher in men than in women.

Journal

  • Journal of Epidemiology

    Journal of Epidemiology 18(4), 144-150, 2008-07-01

    Japan Epidemiological Association

References:  37

Cited by:  11

Codes

  • NII Article ID (NAID)
    10024796356
  • NII NACSIS-CAT ID (NCID)
    AA10952696
  • Text Lang
    ENG
  • Article Type
    Journal Article
  • ISSN
    09175040
  • Data Source
    CJP  CJPref  J-STAGE 
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