Objective To compare different criteria established by National Cholesterol Education Program's Adult Treatment Panel Ⅲ( NCEP / ATP Ⅲ),International Diabetes Federation( IDF),and Chinese Diabetes Society( CDS) for diagnosis of metabolic syndrome( MS) among hypertension patients. Methods Totally 2 994 hypertention patients were recruited from 24 communities in Yinchuan city,Ningxia Hui Autonomous Region with cluster random sampling. The prevalences of MS diagnosed with the 3 crieria were analyzed. Results Th...