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目的研究老年男性体重指数与跟骨定量超声改变的相关性。方法采用超声干式骨密度测定仪测算320名60岁以上老年男性右足跟骨骨质音波传递速度(SOS)、骨强度指数(OSI)和骨折风险预测指数(TI);测量受试者的身高、体重,计算体重指数(BMI);用统计学方法进行分析。结果正常BMI组跟骨SOS高于低BMI组(P<0.05,P<0.001),而高BMI高于低BMI组和正常BMI组(P<0.001,P<0.05,P<0.001)。提示老年男性BMI与OSI呈正相关,低BMI人群与正常BMI和高BMI人群差异显著。结论老年男性BMI与跟骨定量超声改变有显著相关性,低BMI者发生骨质疏松的机会明显增加,测算BMI和跟骨定量超声变化,预测骨折风险,可作为老年男性骨质疏松早期筛查和诊断的重要手段。
Objective To investigate the correlation between body mass index (AGI) and changes of quantitative calcaneal ultrasound in elderly men. Methods The bone mass index (OSI) and fracture risk prediction index (TI) of 320 right elbow of over 60 years old were measured by using ultrasonic dry bone densitometry. The height , Body weight, body mass index (BMI); statistical analysis. Results The SOS of calcaneal bone in normal BMI group was higher than that in low BMI group (P <0.05, P <0.001), while the high BMI was higher than that in low BMI group and normal BMI group (P <0.001, P <0.05, P <0.001). It is suggested that there is a positive correlation between BMI and OSI in elderly men. There is significant difference between low BMI population and normal BMI and high BMI population. Conclusions There is a significant correlation between BMI in elderly men and quantitative ultrasound changes of calcaneus. The chances of osteoporosis in patients with low BMI are significantly increased. BMI and quantitative ultrasonic changes of calcaneus are estimated to predict fracture risk. And an important means of diagnosis.