| DCI | Delayed cerebral ischemia |
| SAH | Subarachnoid hemorrhage |
| ICH | Intracerebral hemorrhage |
| HH | Hunt and Hess |
| WFNS | World Federation of Neurosurgical Societies |
| IVH | Intraventricular hemorrhage |
| mRS | Modified Rankin scale |
| CSF | Cerebrospinal fluid |
| CI | Confidence interval |
| aOR | Adjusted odds ratio |
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