We examine the BMD of hip(normal side in the case and the left side in the control)and their bone mineral density were measured with Norland-XR36DEXA.

• 所有受试对象均应用美国Norland 公司的XR-36 型双能X 线骨密度仪[Dual-energy X-rays absorptiometry bone(DEXA) densitometry]测定其髋部BMD(骨折组测其健侧,对照组测均取其左侧)。