The another group was definded as 43 patients with non acute coronary syndrome (NACS) including 14 patients with old myocardial infarction and 29 patients with stable angina pectoris.

• 非急性冠状动脉综合征 (NACS)患者组 4 3例 (陈旧性心肌梗死 14例 ,稳定性心绞痛 2 9例 )。 以 32例有胸痛症状而冠状动脉造影排除冠心病的患者为对照组。