TABLE 1.

Patient characteristics (N = 105).

	Median	IQR	Range
Age, years	5.33	4.17, 8.83	3.0, 18.83
Weight, SDS a	0.34	1.27	−3.62, 4.41
Height, SDS a	−0.83	1.05	−3.18, 1.56
Body mass index, SDS a	1.11	1.12	−3.28, 3.88
Maintenance week, number	34	22, 43	13, 68

	No.	%
Sex
Female	41	39
Male	64	61
Type of ALL
Pre‐B ALL	93	88.6
T‐ALL	11	10.5
BPDCN b	1	0.9

Abbreviations: ALL, acute lymphoblastic leukemia; BPDCN, blastic plasmacytoid dendritic cell neoplasm; SDS, Standardized deviation score.

^a SDS values are mean with standard deviation.

^b One patient had BPDCN and was also treated according to the ALL‐11 protocol.