Odds ratios for different patient and aneurysm characteristics for the occurrence of all procedural complications leading to disability or death in 681 patients
| Variable | Odds Ratio | 95% Confidence Interval |
|---|---|---|
| Men | 0.71 | 0.34–1.48 |
| Timing after SAH | ||
| ≤3 d | 0.75 | 0.39–1.44 |
| Between 4 and 11 d | 0.81 | 0.40–1.62 |
| ≥11 d | 1.90 | 0.94–3.84 |
| Aneurysm location | ||
| Posterior circulation | 0.67 | 0.30–1.48 |
| Anterior cerebral artery | 1.00 | 0.52–1.92 |
| Middle cerebral artery | 1.47 | 0.50–4.32 |
| Carotid artery | 1.23 | 0.61–2.47 |
| Supportive balloon | 5.10 | 2.31–11.32 |
| Clinical condition at the time of treatment | ||
| HH I–II | 0.67 | 0.35–1.28 |
| HH III | 1.49 | 0.78–2.84 |
| HH IV–V | 0.79 | 0.32–1.93 |
| Aneurysm size (mm) | ||
| <5 | 0.76 | 0.39–1.51 |
| <10 | 0.59 | 0.31–1.13 |
| ≥10 | 1.58 | 0.79–3.13 |
| >15 | 1.55 | 0.58–4.12 |
Note:—SAH indicates subarachnoid hemorrhage; HH, Hunt and Hess scale.