Methods:SOS were measured by bone quantitative ultrasound(QUS)apparatus in399young and589postmenopausal women,who were devided into three groups(low body weight ,normal weight and overweight )according to their BMI.

• 方法采用骨定量超声仪测量399例骨峰值期和589例绝经后女性的胫骨SOS值,并按BMI不同各分为低体重组、正常体重组和肥胖组进行分析。