Table 5 Association of recurrent ipsilateral hemorrhage with clinical and vascular characteristics
Risk of Recurrent Hemorrhage | ||||||
|---|---|---|---|---|---|---|
Univariate Analysis | Multivariate Analysis | |||||
HR | 95% CI | p Value | HR | 95% CI | p Value | |
Sex, female | 1.01 | 0.33–3.14 | 0.985 | – | – | – |
Age | 1.03 | 0.97–1.08 | 0.371 | – | – | – |
Smokers | 1.28 | 0.17–9.71 | 0.812 | – | – | – |
Hypertension | 0.79 | 0.27–2.28 | 0.662 | – | – | – |
Dyslipidemia | 1.05 | 0.34–3.26 | 0.932 | – | – | – |
Diabetes mellitus | 0.62 | 0.08–4.68 | 0.640 | – | – | – |
Advanced Suzuki stage | 1.29 | 0.45–3.72 | 0.636 | – | – | – |
Involvement of PCA | 1.43 | 0.50–4.13 | 0.507 | – | – | – |
Presence of posterior hemorrhage | 1.27 | 0.46–3.49 | 0.646 | – | – | – |
Presence of ruptured collateral aneurysm | 3.30 | 0.75–14.58 | 0.115 | – | – | – |
Target collateral vessel derived from ChA | 1.51 | 0.49–4.68 | 0.477 | – | – | – |
Target anastomotic territory | ||||||
Nonmedullary artery anastomosis | 0.14 | 0.02–1.04 | 0.054 | 0.11 | 0.01–1.03 | 0.053 |
Lateral medullary artery anastomosis | 1.09 | 0.41–2.94 | 0.858 | 0.56 | 0.15–2.13 | 0.397 |
Medial medullary artery anastomosis | 2.94 | 1.07–8.08 | 0.037 | 6.65 | 1.32–33.60 | 0.022 |
Multiple medullary artery anastomosis | 1.47 | 0.19–11.12 | 0.712 | 2.17 | 0.22–21.66 | 0.509 |