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目的评价中青年腹型肥胖的简易体脂参数及临床应用价值。方法应用MRI对267名受试者行腹内脂肪面积(AVF area)测量,同时测量BMI、WC及WHR,并与MRI测量的AVF area进行比较,以受试者工作特征曲线(ROC)评价简易体脂参数对腹型肥胖的诊断价值。结果 BMI、WC、WHR与AVF area呈正相关(r分别为0.645,0.782,0.618),ROC曲线下面积男性以WC最高,女性以BMI最高。简易体脂参数评价腹型肥胖最佳参数的最佳切割点为男性WC 88cm,女性BMI 24kg/m2。结论 BMI、WC及WHR均可估测腹型肥胖,男性WC、女性BMI可靠性最好。
Objective To evaluate the simple body fat parameters and clinical value of abdominal obesity in young and middle-aged people. Methods Totally 267 subjects underwent AVF area measurement, BMI, WC and WHR were measured by MRI and compared with AVF area measured by MRI to evaluate the ROC Body fat parameters in the diagnosis of abdominal obesity. Results The BMI, WC and WHR were positively correlated with AVF area (r = 0.645, 0.782 and 0.618, respectively). The areas under the ROC curve were the highest in WC and the highest in BMI. The best cutting point for evaluating the optimal parameters of abdominal obesity with simple body fat parameters was male WC 88cm and female BMI 24kg / m2. Conclusions BMI, WC and WHR can be used to estimate abdominal obesity. Male WC and female BMI have the best reliability.