Grades | Criteria |
1 | Asymptomatic, mild headache, slight nuchal rigidity |
2 | Moderate to severe headache, nuchal rigidity, no neurological deficit other than cranial nerve palsy |
3 | Drowsiness, confusion, mild focal neurological deficit |
4 | Stupor, moderate to severe hemiparesis |
5 | Deep Coma, decerebrate posturing, Moribund appearance |