结果：长期使用αINF治疗后，造血组织及粒/红细胞比例分别下降至80.4%及4.0∶1，与对照组相比差异有统计学意义（P<0.05）；
Result : After long term α - INF therapy , the total marrow cellularity and myeloid / erythroid ratio were reduced to 80.1 % and 4.0 ∶ 1 respectively ( P < 0.05 ) .
粒红比例