TABLE 1.
Patient demographics
| Characteristic | Value (%) |
|---|---|
| Age at surgery (yrs) | |
| Mean | 42.6 ± 12.5 |
| Median | 42 |
| Range | 20–68 |
| Sex | |
| Male | 26 (60.5) |
| Female | 17 (39.5) |
| Handedness | |
| Rt | 41 (95.3) |
| Lt | 2 (4.7)* |
| Tumor grade (WHO) | |
| I | 0 |
| II | 30 (69.8) |
| III | 6 (14.0) |
| IV | 7 (16.3) |
| Tumor pathology | |
| Oligodendroglioma | 13 (30.2) |
| Oligoastrocytoma | 9 (20.9) |
| Astrocytoma | 8 (18.6) |
| Anaplastic oligodendroglioma | 2 (4.7) |
| Anaplastic oligoastrocytoma | 1 (2.3) |
| Anaplastic astrocytoma | 2 (4.7) |
| Glioblastoma | 7 (16.3) |
| Ependymoma | 1 (2.3) |
| Type of surgery | |
| Awake | 32 (74.4) |
| General anesthesia | 11 (25.6) |
| Presentation | |
| Seizures | 14 (32.6) |
| Seizures w/aphasia | 10 (23.3) |
| Aphasia | 5 (11.6) |
| Headaches | 3 (7.0) |
| Sensorimotor disturbance | 3 (7.0) |
| Other | 9 (20.9) |
*
Both left-handed patients were confirmed to have left-sided language representation.