Multivariate analysis of factors associated with aneurysm rupture and patient mortality
| Aneurysm rupture | Patient mortality | |||
|---|---|---|---|---|
| OR | p Value | OR | p Value | |
| Male sex | 1.3 (1.1 to 1.6) | 0.0100 | 1.5 (1.2 to 1.8) | <0.0001 |
| Age <50 years | 1.7 (1.4 to 2.1) | <0.0001 | 0.5 (0.3 to 0.7) | 0.0002 |
| IA size >6 mm | 2.5 (2.1 to 2.9) | <0.0001 | 1.1 (0.9 to 1.4) | 0.2 |
| IA posterior circulation | 2.7 (2.1 to 3.5) | <0.0001 | 1.6 (1.3 to 2.0) | <0.0001 |
| IA Acom | 4.2 (3.3 to 5.3) | <0.0001 | 1.3 (0.9 to 1.6) | 0.08 |
| IA Pcom | 2.1 (1.4 to 2.9) | <0.0001 | 0.9 (0.6 to 1.3) | 0.5 |
| Multiple IA | 0.6 (0.5 to 0.7) | <0.0001 | 0.7 (0.5 to 0.8) | <0.0001 |
| IVH after IA rupture | – | – | 1.7 (1.3 to 2.2) | <0.0001 |
| IPH after IA rupture | – | – | 4.6 (3.4 to 6.2) | <0.0001 |
Numbers in parentheses represent 95% CI. p Values determined by multivariate logistic regression analysis.
Acom, anterior communicating artery; IA, intracranial aneurysm; IPH, intraparenchymal hemorrhage; IVH, intraventricular hemorrhage; Pcom, posterior communicating artery.