Methods Measure and analyze the lumbar vertebrae and hip bone mineral density (BMD) of 269 cases with their age, weight and body mass index (BMI).

• 方法双能骨密度仪(DEXA)测定269例50~80岁青岛常住人口腰椎前后位和髋部骨密度,记录年龄,测量身高、体重,计算出体重指数,并进行统计学分析。