Aim
BVHS Study is designed to answer two important clinical questions; 1) A preliminary study on the value of BVHS in predicting MACEs independently of traditional CVD risk factors; and 2) A preliminary comparative study on the predictive value of BVHS and other risk prediction system model of CVD commonly used at home and abroad, such as the China-PAR Project11 and the Pooled Cohort Equations12 .