Two dimension and Doppler echocardiography were performed to calculate the left ventricular mass (LVM) and the left ventricular mass index(LVMI) by the equation of Devereux.

• 根据二维超声心动图测定结果计算左心室质量 (LVM)和左心室质量指数 (LVMI) ; 计算 2组体重指数 (BMI)。