Table 1 Baseline Characteristics of All Patients (N = 70)
Parameter | N | % |
|---|---|---|
Gender | ||
 Male | 40 | 57 |
 Female | 30 | 43 |
Age, years | ||
 Median | 53 | / |
 Range | 20–76 | / |
Initial histological WHO grade | ||
 3 | 21 | 30 |
 4 | 49 | 70 |
Interval between HSRS and initial diagnosis (months) | ||
 Median | 13.7 | / |
 Range | 1.1–55.3 | / |
KPS before salvage HSRS | ||
 Median | 70 | / |
 Range | 40–90 |  |
MGMT | ||
 Unmethylated | 25 | 36 |
 Methylated | 9 | 13 |
 Unknown | 36 | 51 |
IDH1 mutation | ||
 Yes | 5 | 7 |
 No | 45 | 64 |
 Unknown | 20 | 29 |
1p19q codeletion | ||
 Yes | 1 | 1 |
 No | 25 | 36 |
 Unknown | 44 | 63 |
Planning tumour volume (cm3) | ||
 Median | 16.68 | / |
 Range | 0.81–121.96 | / |
Concurrent systemic therapy | ||
 TMZ | 14 | 20 |
 BVZ | 28 | 40 |
 TMZ + BVZ | 7 | 10 |
 BSC | 21 | 30 |
Total | 70 | 100 |