Variable | Univariate analysis | Multivariate analysis | ||
P value | P value | Odd ratio | Confidence interval 95% | |
Age | 0.038* | 0.2 | 1.04 | 0.98 - 1.12 |
Neck width continuous Categorical (>4 mm) |
0.01* 0.005* | 0.65 | 1.4 | 0.32 - 7.65 |
Size of dome continuous Categorical (>10 mm) |
0.008* 0.0.49 | 0.28 | 1.68 | 0.67 - 4.85 |
WFNS grade 4 - 5 | 0.0001* | 0.01* | 124 | 1.9 - 130 |
Modified Fisher grade 4 | 0.0004* | 0.27 | 2.35 | 0.63 - 16.3 |