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对５１例冠心病病人的行为类型进行了调查，并与７９例正常人进行对比。结果表明，冠心病组Ａ型行为者所占比例大于正常组，心绞痛发作病例中Ａ型行为者所占比例大于没有发作病例组，差异均有统计学意义（Ｐ＜０．０５）。提示克服和改变Ａ型行为对冠心病的发生有一定预防作用。
Fifty-one patients with coronary heart disease were investigated for behavioral patterns and compared with 79 normal controls. The results showed that the proportion of type A agents in coronary heart disease group was higher than that in normal group. The proportion of type A agents in angina pectoris cases was higher than that in non-attack cases (P <0.05). Tip to overcome and change the type A behavior of coronary heart disease have a preventive effect.