| Headache ( +) (n = 51) | Headache (-) (n = 8) | p-value |
---|---|---|---|
Transient visual obscuration | 12 (23.5%) | 1 (12.5%) | 0.671 |
Blurred vision | 26 (51.0%) | 4 (50.0%) |  > 0.999 |
Dizziness | 15 (29.4%) | 3 (37.5%) | 0.690 |
Double vision | 11 (21.6%) | 3 (37.5%) | 0.379 |
CN VI palsy | 6 (11.8%) | 1 (12.5%) | 0.295 |