Odds ratios for different patient and aneurysm characteristics for the occurrence of procedural ruptures leading to disability or death in 681 patients
| Variable | Odds Ratio | 95% Confidence Interval |
|---|---|---|
| Men | ||
| Timing after SAH | ||
| ≤3 d | 1.15 | 0.29–4.64 |
| Between 4 and 11 d | 0 | |
| ≥11 d | 4.34 | 1.07–17.60 |
| Aneurysm location | ||
| Posterior circulation | 4.67 | 1.10–19.74 |
| Anterior cerebral artery | 0.21 | 0.03–1.74 |
| Middle cerebral artery | 1.86 | 0.22–15.43 |
| Carotid artery | 0.40 | 0.05–3.28 |
| Supportive balloon | 4.44 | 0.87–22.60 |
| Clinical condition at the time of treatment | ||
| HH I–II | 0.56 | 0.14–2.25 |
| HH III | 1.79 | 0.44–7.23 |
| HH IV–V | 1.52 | 0.30–7.62 |
| Aneurysm size (mm) | ||
| ≤5 | 4.92 | 0.99–24.55 |
| <10 | 1.36 | 0.27–6.80 |
| ≥10 | 0 | |
| >15 | 0 |
Note:—SAH indicates subarachnoid hemorrhage; HH, Hunt and Hess scale.