TABLE 2.
Results of univariate and multivariate logistic analysis: predictors of severe presentation after rupture (outcome mRS score >3)*
| Univariate (n=154) | Univariate (n = 136)† | Multivariate (n = 136) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Characteristic | OR | 95% CI | p Value | OR | 95% CI | p Value | OR | 95% CI | p Value |
| posterior fossa location | 2.60 | (1.20–5.67) | 0.016 | 2.47 | (1.09–5.63) | 0.030 | 4.96 | (1.73–14.17) | 0.003 |
| female sex | 1.78 | (0.94–3.39) | 0.076 | 2.04 | (1.03–4.04) | 0.041 | 1.57 | (0.74–3.36) | 0.241 |
| age at presentation (decade) | 0.91 | (0.77–1.08) | 0.279 | 0.92 | (0.77–1.10) | 0.353 | 0.87 | (0.70–1.07) | 0.195 |
| non-Hispanic white | 0.85 | (0.45–1.61) | 0.628 | 0.94 | (0.48–1.85) | 0.863 | 1.24 | (0.57–2.69) | 0.580 |
| associated aneurysm | 2.39 | (1.17–4.86) | 0.017 | 2.33 | (1.13–4.78) | 0.021 | 2.58 | (1.09–6.10) | 0.031 |
| AVM size (cm) | 1.08 | (0.87–1.33) | 0.486 | 1.03 | (0.83–1.28) | 0.779 | 0.90 | (0.69–1.16) | 0.416 |
| deep location | 1.38 | (0.64–2.97) | 0.413 | 1.64 | (0.73–3.66) | 0.227 | 1.60 | (0.54–4.70) | 0.396 |
| eloquent location | 2.00 | (1.01–3.98) | 0.046 | 1.89 | (0.93–3.85) | 0.077 | 3.47 | (1.37–8.80) | 0.009 |
| exclusively deep venous drainage | 1.17 | (0.57–2.40) | 0.677 | 1.16 | (0.55–2.45) | 0.702 | 0.80 | (0.29–2.15) | 0.653 |
Boldface indicates statistical significance.
Sensitivity analysis restricted to patients also included in the multivariate analysis.