Prognostic factors
| Factor | No. (%) | mPFS | *P value | mOS | *P value |
|---|---|---|---|---|---|
| Total patients | 30 (100) | NA | NA | NA | NA |
| Older than or equal to 60 y | 10 (33.3) | Not reached | 0.582 | Not reached | 0.577 |
| Elevated LDH | 15 (50.0) | 12.0 | 0.0001 | 18.0 | 0.0001 |
| Elevated CSF protein | 11 (36.7) | Not reached | 0.085 | Not reached | 0.088 |
| Deep brain parenchyma involvement | 19 (63.3) | Not reached | 0.0001 | Not reached | 0.0001 |
| ECOG ≥ 2 | 16 (53.3) | Not reached | 0.255 | Not reached | 0.124 |
| MYC > 40% | 13 (43.3) | Not reached | 0.021 | Not reached | 0.100 |
| BCL-2 > 50% | 19 (63.3) | Not reached | 0.067 | Not reached | 0.262 |
*P < 0.05 was considered statistically significant.