Method Bone mineral densities(BMD) of whole body and regional sections were measured by dual energy X- ray absorptiometry(DEXA) in 39 aged patients with COPD and 19 control subejects.

• 方法应用双能量 X线吸光测定法，测定男性 COPD组 39例和对照组 19例全身及局部的骨矿物质含量，同时测定两组患者营养状态，血清钙、磷、碱性磷酸酶、肺功能。