Table 1 Mortality according to admission Hunt-Hess grade
Hunt-Hess grade | Dead/Total, number | Proportion of study population, % | Mortality rate, % |
|---|---|---|---|
1. Mild headache | 12/342 | 19.5 | 3.5 |
2. Severe headache or cranial nerve deficit | 6/186 | 15.5 | 3.2 |
3. Confusion, lethargy, or lateralized weakness | 30/319 | 26.6 | 9.4 |
4. Stupor | 41/173 | 14.4 | 23.6 |
5. Coma | 127/180 | 15.0 | 70.5 |
Total | 216/1200 | 100.0 | 18.0 |