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J Clin Epidemiol. 2009 Jun;62(6):667-73. doi: 10.1016/j.jclinepi.2008.07.016. Epub 2008 Dec 23.

Self-reported stroke and myocardial infarction had adequate sensitivity in a population-based prospective study JPHC (Japan Public Health Center)-based Prospective Study.

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1
Department of Public Health Medicine, Graduate School of Comprehensive Human Sciences, and Institute of Community Medicine, University of Tsukuba, Tsukuba, Japan.

Abstract

OBJECTIVE:

We sought to clarify the validity of self-reported stroke and myocardial infarction (MI) among Japanese population, because information on the validity, particularly on the sensitivity, of self-reported cardiovascular disease is limited and may differ among countries.

STUDY DESIGN AND SETTING:

Using the 10-year follow-up questionnaire and a stroke and MI registry in the Japan Public Health Center-based prospective Study (JPHC Study) cohort (n=91,186), we calculated sensitivity and positive predictive values of self-reported stroke and MI incidence over 10 years.

RESULTS:

Sensitivity of self-reported incident stroke was 73%, and that for MI was 82%. Positive predictive values were 57% for stroke and 43% for MI. The supplemental inclusion of self-reported angina pectoris increased the sensitivity of MI to 89%, but attenuated the positive predictive value to 18%. Sensitivity of self-reported stroke was highest for subarachnoid hemorrhage (88%), but did not differ greatly among other stroke subtypes, affected sites or size.

CONCLUSION:

Self-reported stroke and MI seem sensitive enough to use for exclusion of stroke and MI at baseline in Japanese cohort studies. However, self-report has too many false positives to be used as the only criterion for incident stroke and MI.

PMID:
19108984
DOI:
10.1016/j.jclinepi.2008.07.016
[Indexed for MEDLINE]
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