Table 1.

Patient characteristics

Variable	CSSCD	Replication
Sex, n (%)
Males	394 (46)	140 (46)
Females	454 (54)	165 (54)
Mean HbF, percentage (SD)
Males	5.8 (5.3)	4.8 (3.6)
Females	7.3 (5.6)	6.4 (4.7)
Mean age, y (SD)
Males	15.9 (10.2)	30.1 (9.3)
Females	18.4 (11.1)	32.4 (10.8)
Mean hemoglobin, g/dL (SD)
Males	8.5 (1.4)	8.6 (1.4)
Females	8.4 (1.2)	8.1 (1.2)

Summary statistics of the important patient characteristics in the CSSCD and replication sets. HbF, age, and hemoglobin concentration are stratified by sex.