Table 1.
Baseline patient characteristics
| All patients | ||
|---|---|---|
| Characteristics | Number | Percentage |
| Age at diagnosis, median (range) [years] | 62 (23–86) | |
| ECOG-status before radiotherapy | ||
| 0 (KPS 90–100) | 55 | 14.9 |
| 1 (KPS 70–90) | 230 | 62.3 |
| 2 (KPS < 70) | 84 | 22.8 |
| RPA class before radiotherapy | ||
| III | 21 | 5.7 |
| IV | 192 | 52.0 |
| V | 152 | 41.2 |
| Unknown | 4 | 1.1 |
| MGMT promoter status | ||
| Unmethylated | 30 | 8.1 |
| Methylated | 23 | 6.2 |
| Unknown | 316 | 85.6 |
| Extent of resection | ||
| Gross total resection | 176 | 47.7 |
| Partial resection | 155 | 42.0 |
| Biopsy only | 24 | 6.5 |
| Undeterminable | 14 | 3.8 |
| Simultaneous chemotherapy | 248 | 67.2 |
| Fractionation | ||
| 33 × 1.8 Gy ∑ 59.4 Gy | 187 | 50.7 |
| 30 × 2.0 Gy ∑ 60.0 Gy | 182 | 49.3 |
Abbreviations: KPS-Karnofsky performance status scale. ECOG-Eastern Cooperative Oncology Group