Table 1 Patient characteristics, N = 31
Characteristic | Patients |
|---|---|
Sex | Â |
  • Male | 21 (67.7%) |
  • Female | 10 (32.3%) |
Median Age [y] | 51.0 (18 – 67) |
Median KPS | 80 (40 – 100) |
  • KPS < 70 | 8 (25.8%) |
  • KPS ≥ 70 | 23 (74.2%) |
Median dose of primary radiotherapy | 60Â Gy |
Median dose of re-irradiation | 36Â Gy |
Median PTV size [ml] | 118.1 (34.3 – 363.9) |
MGMT methylation status | Â |
  • methylated | 11 (35.5%) |
  • not methylated | 18 (58.1%) |
  • unknown | 2 (6.5%) |
WHO grade at relapse | Â |
  • III | 6 (19.4%) |
  • IV | 25 (80.6%) |
Recurrence pattern | Â |
  • in-field | 19 (61.3%) |
  • marginal | 7 (22.6%) |
  • distant | 5 (16.1%) |
Imaging type for recurrence | Â |
  • MRI/CT | 10 (32.3%) |
  • PET | 21 (67.7%) |