Time to platelet recovery (≥20,000/μL) for the four groups who received the third course of postremission intensification therapy. The median times to recovery were 35.5 days, 27.7 days, 18.8 days, and 31.9 days for groups 1, 2, 3, and 4, respectively. There was no significant difference between the two growth factor groups (P = .12).