Table 1.
Patient characteristics at admission.
| Characteristics | n (%) |
|---|---|
| Age—year [median (interquartile range)] | 55 (47–69) |
| Female sex | 81 (76) |
| Hunt–Hess grade | |
| 1 | 14 (13) |
| 2 | 34 (32) |
| 3 | 27 (26) |
| 4 | 23 (22) |
| 5 | 8 (8) |
| WFNS grade | |
| 1 | 45 (43) |
| 2 | 13 (12) |
| 3 | 8 (8) |
| 4 | 7 (7) |
| 5 | 32 (30) |
| Modified Fisher scale | |
| 1 | 23 (22) |
| 2 | 10 (9) |
| 3 | 29 (27) |
| 4 | 44 (42) |
| Aneurysm location | |
| AcoA/ACA | 38 (36) |
| MCA | 23 (22) |
| ACoP | 14 (13) |
| ICA | 5 (5) |
| Other | 26 (24) |
| Medical history at admission | |
| Arterial hypertension | 50 (47) |
| Coronary artery disease | 8 (8) |
| Cardiac arrhythmia | 8 (8) |
| Cerebrovascular disease | 1 (1) |
| Asthma/COPD | 11 (10) |
| Tobacco use | 32 (30) |
| Diabetes mellitus | 5 (5) |
| Chronic kidney disease | 4 (4) |
WFNS World Federation of Neurosurgeons, ACoA Arteria communicans anterior, ACA Arteria cerebri anterior, MCA Arteria cerebri media, ACoP Arteria communicans posterior, ICA Arteria carotis interna, COPD Chronic obstructive pulmonary disease.