The number of days from the start of chemotherapy until the recovery of an ANC >1,000/μL is shown for Course IIA (A) and for Course IIB (B) according to treatment assignment. The medians were 20 days for the G-CSF group and 29 days for the placebo group for Course IIA (P < .001) and 25 days and 31 days, respectively, for Course IIB (P < .001).