Table 2.

Characteristics of the 71 pediatric patients

Characteristic	n/N	%
Time to relapse before CAR T-cell therapy, mo
≥18	32	45
<18	39	55
Best response before CAR T-cell therapy
CR1	48	68
CR2	15	21
NR	8	11
Response after CAR T-cell therapy
CR1	45/48	94
CR2	14/15	93
NR	7/8	88

CR 2, second complete remission; NR, no response.