Initial presenting symptom
| Symptom | Total | Oligodendroglioma | Mixed glioma |
|---|---|---|---|
| HP = hemiparesis. | |||
| n | 106 | 77 | 29 |
| Seizures, n (%) | 76 (72) | 55 (71) | 21 (72) |
| Headache, n (%) | 11 (10) | 8 (10) | 3 (10) |
| HP/aphasia, n (%) | 4 (4) | 2 (3) | 2 (7) |
| Cognitive, n (%) | 6 (6) | 5 (6) | 1 (3) |
| Other, n (%) | 4 (4) | 3 (4) | 1 (3) |
| None (incidental), n (%) | 5 (5) | 4 (5) | 1 (3) |