Table 1.
Patient characteristics
| Characteristic | n = 18 | % |
|---|---|---|
| Male | 14 | 78 |
| Female | 4 | 22 |
| Age range (years) | 32–73 | |
| Median age (years) | 50 | |
| Time from diagnosis to ReRT (months): | ||
| Range | 8–154 | |
| Median | 22 | |
| Time from GBM to ReRT (months): | ||
| Range | 0–108 | |
| Median | 15 | |
| ECOG pre-ReRT: | ||
| 0 | 3 | 17 |
| 1 | 8 | 44 |
| 2 | 6 | 33 |
| 3 | 1 | 6 |
| Initial histopathology: | ||
| GBM | 13 | 72 |
| Anaplastic glioma | 5 | 28 |
| Refractory disease location: | ||
| Frontal | 7 | 39 |
| Temporal | 3 | 17 |
| Occipital | 3 | 17 |
| Parietal | 4 | 22 |
| Thalamus/brainstem | 1 | 6 |
| ReRT dose: | ||
| 25 Gy | 1 | 6 |
| 35 Gy | 14 | 78 |
| 40 Gy | 2 | 11 |
| 45 Gy | 1 | 6 |
Abbreviations: ECOG, Eastern Cooperative Oncology Group; GBM, glioblastoma multiforme; ReRT, re-irradiation.