Demographics of the study population.

1 Patients with ST elevation myocardial infarction (STEMI).2 Patients with non-STEMI.3 Patients destined for vascular surgery because of various atherosclerotic diseases (stable atherosclerotic disease).4 Apparently healthy individuals with documented coronary artery calcification (CAC-positive).5 Apparently healthy individuals without signs of coronary artery calcification (CAC-negative).± standard deviation. Mean values1. ST段抬高型心肌梗死（ST elevation myocardial infarction, STEMI）患者。2. 非ST段抬高型心肌梗死（non-STEMI）患者。3. 因各类动脉粥样硬化性疾病（稳定性动脉粥样硬化性疾病）拟行血管外科手术的患者。4. 经证实存在冠状动脉钙化（coronary artery calcification, CAC-positive）的表观健康个体。5. 无冠状动脉钙化征象（coronary artery calcification, CAC-negative）的表观健康个体。±标准差（standard deviation）。平均值（mean values）