Methods 61 elderly patients with coronary artery disease (CAD group) and 47 healthy elder (control group) were received treadmill exercise electrocardiography tests under bruce protocol.

• 方法 61例老年冠心病患者 (冠心病组 )和 47名健康老年人 (对照组 )按Bruce改良方案进行运动平板试验 ,测定受试者心率校正的ST段值 (最大ST/HR斜率 )和ST段压低值。