对所有患者进行随访，观察心血管死亡、心肌梗死、需要住院治疗的不稳定型心绞痛、卒中或短暂性脑缺血的混合事件发生情况。

All patients were followed for the composite outcome of cardiovascular death, mi, unstable angina requiring hospitalization, stroke, or transient ischemic attack.

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方法典型心绞痛64例，不典型心绞痛44例进行平板试验及心向量检查。

Methods 64 cases of typical angina pectoris and 44 cases of atypical angina pectoris were selected to receive tread mill test and vector cardiogram.

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