[Multivariate analysis of meteorological factors and evaluation of circadian rhythm: their relation to the occurrence of acute myocardial infarction].

Abstract

We statistically analysed the occurrence of acute myocardial infarction (AMI) in relation to meteorology and circadian rhythm. The study subjects included 581 patients with AMI in Asahikawa observed for the last 10 years, and 177 in Yamagata observed for the past three years. Monthly fluctuations of AMI occurrence were not statistically significant. The… (More)

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@article{Hirasawa1990MultivariateAO, title={[Multivariate analysis of meteorological factors and evaluation of circadian rhythm: their relation to the occurrence of acute myocardial infarction].}, author={Kingo Hirasawa and Kazuhiro Tateda and Jiro Shibata and K. Yokoyama}, journal={Journal of cardiology}, year={1990}, volume={20 4}, pages={797-805} }