CAG was used as the standard of diagnosing CHD. The sensitivity, specificity, and accuracy of CI were compared with the traditional index of TET.

• 方法:选择233例进行了TET与冠状动脉造影(coronary angiography,CAG)的患者,以CAG为诊断CHD的标准,比较TET传统指标与CI判断CHD的敏感性、特异性和准确性。