| Clinical characteristics of GBM (N = 35) | ||
| N | % | |
| Recurrent GBM | 30 | 86 |
| Persistent GBM | 5 | 14 |
| Prior treatment in RGBM (N = 30) | ||
| Number of recurrences | ||
| 1 | 19 | 63 |
| 2 | 9 | 30 |
| 3 | 2 | 7 |
| Prior treatment in ERGBM (N = 24) | ||
| Number of recurrences | ||
| 1 | 15 | 63 |
| 2 | 8 | 33 |
| 3 | 1 | 4 |