Prevalence of metabolic syndrome among Shanghai adults in China

Objective To investigate the prevalence of metabolic syndrome(MS) and its components in individuals aged 20-74 years in Shanghai community. Methods Data were gathered from baseline survey of obesity and its co-morbodities in Shanghai Huayang and Caoyang community from 1999 to 2001. Totally 2 048 subjects (men 896, women 1 152) with complete laboratory data, including plasma glucose, lipid profile, blood pressure, serum insulin, urine albumin and creatinine, were analyzed in this study. MS was diagnosed according to the definition proposed by WHO in 1999. Results (1) The prevalence of MS was 17.14%, being significantly increased in men aged over 45 years and in women aged over 50 years, and among subjects aged 65-69 years the prevalence of MS was the highest. (2) The common manifestation of MS was hyperglycemia or insulin resistance plus dyslipidemia and central obesity, with or without hypertension. (3) The prevalence of insulin resistance was 71.65% in MS, 61.11% in diabetes, 38.27% in impaired glucose regulation, 35.76% in hypertension, 38.40% in dyslipidemia, 38.39% in central obesity and 37.98% in microalbuminuria. Conclusion About 1/6 of the habitants in Shanghai aged 20-74 years had MS. Insulin resistance was common in MS and its components, especially in diabetes and MS.