Serum GM CSA of SAA patients was a predictive factor for responsiveness to IST, and a normal value was associated with a good response.

• 初诊时SAA患者血清GM－CSA个体间差异较大，其血清GM－CSA高低与IST疗效密切相关； 初诊SAA患者血清BPA及Epo水平较正?