Objective signs present on initial neurological examination
| Sign | n |
|---|---|
| Supranuclear or internuclear eye movement disturbances | |
| Internuclear ophthalmoplegia | 2 |
| “One-and-a-half” syndrome | 2 |
| Vertical gaze paresis | 2 |
| Horizontal gaze paresis | 4 |
| Ocular “bobbing” | 1 |
| “Skew deviation” | 2 |
| Nuclear or infranuclear eye movement disturbances | 2 |
| Nystagmus | 8 |
| Pupillary abnormalities | 7 |
| VII palsy | 19 |
| VIII deficit | 3 |
| IX-XII paresis | 15 |
| Bilateral extensor plantar response | 9 |
| Monoparesis | 5 |
| Hemiparesis or hemiplegia | 13 |
| Quadriplegia | 4 |
| Cerebellar ataxia | 5 |
| Hemihypaesthesia | 5 |
| Altered consciousness | 12 |
| Hypersudation | 2 |
| Abnormal breathing pattern | 7 |