Table 1.
Patient characteristics
| Patient characteristics | n= | Percent |
|---|---|---|
| Gender | ||
| male | 22 | 20.0% |
| female | 88 | 80.0% |
| Age at radiotherapy | ||
| Mean (SD) | 53 | 11.7 |
| Median (Q1-Q3) | 52 | 29–85 |
| Median (range) | 52 | 45–59 |
| Histology | ||
| WHO I | 60 | 54.5% |
| WHO II | 7 | 6.4% |
| WHO III | 1 | 0.9% |
| unknown | 42 | 38.2% |
| Location | ||
| sphenoid wing | 42 | 38.2% |
| petroclival | 23 | 20.9% |
| sphenoorbital | 13 | 11.8% |
| supra- and/or parasellar region | 10 | 9.1% |
| sinus cavernosus | 4 | 3.6% |
| olfactory | 4 | 3.6% |
| tentorial fold | 3 | 2.7% |
| petrosal | 5 | 4.5% |
| cerebello-pontine angle | 3 | 2.7% |
| foramen magnum | 3 | 2.7% |
| Karnofsky performance score | ||
| ≥ 80% | 101 | 91.8% |
| < 80% | 9 | 8.2% |
| Previous surgery | ||
| partial resection | 62 | 56.4% |
| no surgery | 32 | 29.1% |
| unknown | 9 | 8.2% |
| biopsy | 4 | 3.6% |
| complete resection | 3 | 2.7% |
| treatment setting | ||
| due to tumor progression | 51 | 46.4% |
| definite | 42 | 38.2% |
| adjuvant / additive | 17 | 15.5% |
| Particle therapy | ||
| protons | 104 | 94.5% |
| carbon ions | 6 | 5.5% |