Methods The bone mineral density(BMD) of lumbar vertebrae 2-4 was detected by dual energy X-ray absorptiometry (DXA) with high sensitivity in 71 SLE patients and healthy controls matched with age,sex, weight and height.

• 方法采用灵敏度高的双能X线骨矿物质密度测定仪对71例系统性红斑狼疮患者及其按年龄、性别、体重、身高相配对的健康对照者进行腰椎骨矿物质密度测定。