Table 4 Postoperative complications among patients with different Hunt–Hess grades
Complication | Grade I (n = 18) | Grade II (n = 38) | Grade III (n = 39) | Grade IV (n = 7) | χ2 | P |
|---|---|---|---|---|---|---|
Cerebral vasospasm | 0 | 1 | 1 | 3 | 23.437 | 0.000 |
Aneurysm rupture | 0 | 0 | 1 | 2 | 17.825 | 0.000 |
Cerebral edema | 0 | 0 | 1 | 2 | 17.825 | 0.000 |
Cerebral infarction | 0 | 0 | 2 | 3 | 24.523 | 0.000 |
Intracranial infection | 0 | 0 | 0 | 2 | 27.686 | 0.000 |
Severe pulmonary infection | 0 | 0 | 2 | 2 | 13.725 | 0.003 |