Table 1 Clinical data of pediatric patients with MB-NHL (n = 89)
|  | Level | Overall n = 89 |
|---|---|---|
Age (mean (SD)) | Â | 8.94 (4.39) |
Gender (%) | Female | 16 (18.0) |
| Â | Male | 73 (82.0) |
Disease subtype (%) | BL | 63 (70.8) |
| Â | HGBL | 11 (12.4) |
| Â | DLBCL | 10 (11.2) |
| Â | Others | 5 (5.6) |
Stage (%) | II | 2 (2.2) |
| Â | III | 43 (48.3) |
| Â | IV | 42 (47.2) |
| Â | Unknown | 2 (2.2) |
CNS (%) | CNS1 | 52 (58.4) |
| Â | CNS2 | 15 (16.9) |
| Â | CNS3 | 20 (22.5) |
| Â | Unknown | 2 (2.2) |
Group (%) | r/r | 48 (53.9) |
|  | initial remission (≥ 6mounths) | 28 (31.5) |
| Â | initial remission (<6mounths) | 13 (14.6) |
CAR-T or not | No | 49 (55.1) |
| Â | Yes | 40 (44.9) |
CAR-T Response (n = 40) | NR | 15 (37.5) |
| Â | R | 25 (62.5) |