Table 1.
Sample characteristics
| Characteristic | N = 25 |
|---|---|
| Male n (%) | 17 (68%) |
| Age at time of surgery (M ± SD, range) | 53 ± 14, 19–76 |
| Educational levela | |
| Low n (%) | 3 (12%) |
| Middle n (%) | 12 (48%) |
| High n (%) | 10 (40%) |
| Diagnosis | |
| Glioblastoma | 21 (84%) |
| Anaplastic astrocytoma | 4 (16%) |
| Tumor volume (cm3), median (range) | 37 (4.4–162) |
| KPS before surgery, mode (range) | 90, 80–100 |
| Tumor lateralization n (%) | |
| Right | 15 (60%) |
| Left | 10 (40%) |
| Tumor location n (%) | |
| Frontal | 6 (24%) |
| Fronto–parietal | 1 (4%) |
| Parietal | 3 (12%) |
| Parieto–temporal | 2 (8%) |
| Parieto–occipital | 4 (16%) |
| Temporal | 3 (12%) |
| Occipital | 6 (24%) |
| Corticosteroids before surgery | 17 (68%) |
| Anti-epileptics before surgery | 8 (32%) |
| Macroscopic extent of resection | |
| Gross total resection ( > 90%) | 17 (68%) |
| Gross subtotal resection ( < 90%) | 8 (31%) |
aClassified according to Verhage education coding system [31]