TABLE 1.
Patient Demographics and Tumor Characteristics
| Age (mean ± yr) | 45.3 ± 13.5 yr |
|---|---|
| Gender | |
| Male | 108 (57.7%) |
| Female | 79 (42.2%) |
| Laterality | |
| Right | 50 (26.7%) |
| Left | 137 (73.3%) |
| Tumor locationa | |
| Frontal | 83 (44.4%) |
| Parietal | 22 (11.8%) |
| Insular | 39 (20.8%) |
| Temporal | 43 (23.0%) |
| WHO grade | |
| II | 77 (41.2%) |
| III | 50 (26.7%) |
| IV | 60 (32.1%) |
| Histological diagnosis | |
| Astrocytoma | 139 (74.3%) |
| Oligodendroglioma | 48 (25.7%) |
| IDH status | |
| WT | 66 (35.3%) |
| Mutant | 118 (63.1%) |
| Unknown | 3 (1.6%) |
| New diagnosis | 110 (58.8%) |
| Recurrent disease | 77 (41.2%) |
| Functional language or motor | 36/187 (19.3%) |
| identified within tumor | 36/187 (19.3%) |
aTumors in multiple lobes were classified according to the hemisphere in which the majority of the tumor was located.