Baseline characteristics
| Variables | Coiling (n = 133) | Clipping (n = 129) | P Value |
|---|---|---|---|
| Age (yr) | 54.5 (11.8) | 54.4 (10.9) | .960 |
| Women | 62 (46.6%) | 69 (53.5%) | .266 |
| Hypertension | 50 (37.6%) | 63 (48.8%) | .066 |
| Current smoking | 49 (36.8%) | 32 (24.8%) | .035 |
| Diabetes mellitus | 10 (7.5%) | 4 (3.1%) | .168 |
| Previous ischemic stroke | 3 (2.3%) | 4 (3.1%) | .719 |
| Previous SAH | 4 (3.0%) | 9 (7.0%) | .163 |
| GCS score | 7.5 (2.6) | 6.4 (2.4) | <.001 |
| WFNS grade | .002 | ||
| Grade IV | 82 (61.7%) | 55 (42.6%) | |
| Grade V | 51 (38.3%) | 74 (57.4%) | |
| Fisher grade | 3.1 (0.9) | 3.6 (0.7) | <.001 |
| Modified Fisher grade | 2.5 (1.1) | 2.9 (0.9) | .001 |
| Intraventricular hemorrhage | 52 (39.1%) | 51 (38.8%) | .955 |
| Brain herniation | 17 (12.8%) | 51 (39.5%) | <.001 |
| Multiple aneurysms | 22 (16.5%) | 24 (18.6%) | .661 |
| Aneurysm size (mm) | 5.7 (2.9) | 6.0 (3.9) | .536 |
| Ruptured aneurysm location | <.001 | ||
| Anterior circulation | 107 (80.5%) | 128 (99.2%) | |
| Posterior circulation | 26 (19.5%) | 1 (0.8%) | |
| Preoperative EVD | 10 (7.5%) | 11 (8.5%) | .778 |
| Postoperative EVD | 37 (27.8%) | 8 (6.2%) | <.001 |
| Time to treatment | .544 | ||
| 0–72 hr | 101 (75.9%) | 102 (79.1%) | |
| 73 hr to 21 days | 32 (24.1%) | 27 (21.1%) | |
| Hospital stay (days) | 24.3 (20.7) | 23.3 (21.4) | .721 |
a Data are mean (SD) or n/N (%).