| Symptoms | Prevalence |
| headache | 51.6% (n = 16) |
| seizure | 25.8% (n = 8) |
| paresis of variable degree | 22.5% (n = 7) |
| alteration of consciousness | 6.4% (n = 2) |
| aphasia | 6.4% (n = 2) |
| paresthesia, diplopia, hemianopia, behavioral change | (n = 1 each) |