Methods:Broadband ultrasound attenuation(BUA)and speed of sound(SOS)were measured by quantita-tive ultrasound in86RA patients(20male and64female)and the results were compared with age-,sex-marched healthy peo ple.

• 方法:定量超声测定86例RA患者 (男20例,女64例)跟骨宽带超声振幅衰减(BUA)和超声传导速度(SOS),并与性别、年龄匹配的健康人作比较,同时分析 RA患者骨质疏松发生率。