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目的探讨江苏省成人代谢综合征(MS)诊断中体重指数(BMI)的适宜切点。方法以江苏省2732例20～80岁成人为研究对象,以中华医学会糖尿病分会(CDS)的MS诊断标准为基础,分析江苏省人群BMI水平与MS其他组分聚集的关系,检出至少两个组分存在时假阳性率和假阴性率均较低的BMI界限,作为诊断江苏省成人MS的BMI切点,并以此计算不同年龄组MS的检出率及成分组合特点。结果在所划分BMI的切点中,当男性BMI≥26kg/m2、女性BMI≥25kg/m2时,ROC曲线距离最短。以此BMI切点计算江苏省成人的MS检出率,男性为23.2%,女性为18.4%。结论建议江苏省人群以男性BMI≥26kg/m2、女性BMI≥25kg/m2为切点,结合CDS诊断标准中其他组分定义,作为江苏省成人MS的临床检出标准。
Objective To investigate the suitable cut point of body mass index (BMI) in the diagnosis of metabolic syndrome (MS) in Jiangsu Province. Methods A total of 2732 adults aged 20 to 80 years in Jiangsu Province were selected as the research objects. Based on the MS diagnostic criteria of CDS in Jiangsu Province, the relationship between BMI levels and other components of MS in Jiangsu Province was analyzed. At least two The BMI cutoff points with lower false-positive rate and false-negative rate were used as the BMI cut-off points for adult MS in Jiangsu province. The detection rate and compositional characteristics of MS in different age groups were calculated. Results In the cut-off point of the divided BMI, when the male BMI≥26kg / m2, female BMI≥25kg / m2, the ROC curve distance is the shortest. Based on this BMI cutoff point, the detection rate of MS in adults in Jiangsu province was 23.2% in males and 18.4% in females. Conclusion It is suggested that the population of Jiangsu Province should take the definition of other components in the diagnostic criteria of CDS as the cut-off point of male BMI≥26kg / m2 and female BMI≥25kg / m2 as the clinical detection standard of adult MS in Jiangsu Province.