Results of multivariate logistic regression
| Variable included in model | Coefficient | SE | OR | p Value |
|---|---|---|---|---|
| WFNS score | 2.80454 | 0.73042 | 16.5195 | 0.0001 |
| Age tertile | 1.58949 | 0.5696 | 4.9013 | 0.0053 |
| Fisher scale | 1.43876 | 0.5135 | 4.2155 | 0.0051 |
| Leucocytosis | 1.81886 | 0.77252 | 6.1649 | 0.0186 |
| Overall model fit | ||||
| Null model −2log likelihood | 103.26 | |||
| Full model −2log likelihood | 55.89 | |||
| χ2 | 47.371 | |||
| Degrees of freedom | 4 | |||
| p Value | <0.0001 | |||
| Hosmer and Lemeshow test | ||||
| χ2 | 3.0342 | |||
| Degrees of freedom | 8 | |||
| p Value | 0.9322 | |||
WFNS, World Federation of Neurological Surgeons Grading System for Subarachnoid Hemorrhage.