Ankle/brachial index (A/BI) was measured. Intermittent claudication was surveyed by Edinburgh claudication questionnaire (ECQ). Blood sugar and blood lipid were detected.

• PVD采用NicoletVersalabSE双向多普勒血流探测仪检测踝/肱动脉压比值(A/BI)进行诊断,同时采用爱丁堡跛行问卷调查间歇性跛行。