TABLE 4.
Univariate and multivariate analyses for predictors of post-GKRS dAVF hemorrhage
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| Factor | HR | 95% CI | p Value | HR | 95% CI | p Value |
| Younger age | 1.06 | 1.00−1.12 | 0.047 | NS | NS | NS |
| Presenting w/ NHND | 11.3 | 1.18−109 | 0.036 | 21.6 | 1.19−110 | 0.027 |
| Presenting w/ seizure* | 11.5 | 1.61−81.5 | 0.015 | * | * | * |
| CVD & retrograde sinus drainage | 10.7 | 1.11−102 | 0.040 | — | — | — |
| Borden grade | 1.34 | 0.42−4.28 | 0.621 | — | — | — |
| Modified Borden grade | 1.32 | 0.71−2.48 | 0.384 | — | — | — |
| Cognard classification | 0.85 | 0.47−1.30 | 0.470 | — | — | — |
| Middle fossa location | 5.61 | 0.58−54.0 | 0.136 | NS | NS | NS |
| Increasing past endovascular treatments | 1.42 | 0.92−2.23 | 0.116 | 1.81 | 1.04−3.15 | 0.036 |
| Prior surgery | 6.35 | 0.66−61.1 | 0.109 | NS | NS | NS |
Univariate factors with p < 0.15 are listed in the multivariate analysis.
*
Excluded from multivariate due to inclusion in NHND.