Table 3.

Comparison of EFS and OS Between Patients With BCR-ABL1–Like ALL and Other Patients With B-ALL, According to Final Risk Group

Risk Group*	No. of Patients	% EFS (± SE)			% OS (± SE)
		Year 5	Year 10	P	Year 5	Year 10	P
Low
BCR-ABL1–like	16	100 ± 0.0	85.6 ± 14.5	.36	100 ± 0.0	100 ± 0.0	.49
Other B-ALL	179	95.0 ± 1.6	92.5 ± 4.2		98.3 ± 1.0	96.2 ± 3.0
Standard
BCR-ABL1–like	18	88.9 ± 7.2	83.3 ± 15.2	.97	88.9 ± 7.2	83.0 ± 15.3	.32
Other B-ALL	109	84.3 ± 3.6	83.3 ± 6.9		92.7 ± 2.6	91.6 ± 5.0
High
BCR-ABL1–like	6	66.7 ± 17.2	66.7 ± 38.5	.49	83.3 ± 13.9	83.3 ± 34.0	.58
Other B-ALL	16	41.3 ± 12.0	41.3 ± 22.4		74.0 ± 10.9	64.8 ± 22.2

Abbreviations: ALL, acute lymphoblastic leukemia; B-ALL, B-cell ALL; EFS, event-free survival; OS, overall survival.

^*Based on minimal residual disease levels measured on days 19 and 46 of remission induction.