Univariate and multivariate analyses of the three predictor variables
| Good outcome n=1597 | Poor outcome n=15 | Relative risk (95% CI) | P value | |
| Univariate analysis | ||||
| Refractory status epilepticus, n (%) | 44 (2.76) | 8 (53.3) | 34.29 (12.92 to 90.99) | <0.0001 |
| Consciousness disturbance or hemiplegia at 6 hours from onset, n (%) | 32 (2.00) | 3 (20.0) | 11.26 (3.33 to 38.15) | 0.0001 |
| AST >90 IU/L, n (%) | 6 (0.38) | 4 (26.7) | 106.80 (46.81 to 243.69) | <0.0001 |
| Multivariate analysis | ||||
| Refractory status epilepticus | 10.97 (2.97 to 40.47) | 0.0003 | ||
| Consciousness disturbance or hemiplegia at 6 hours from onset | 1.31 (0.10 to 17.76) | 0.8047 | ||
| AST >90 IU/L | 16.12 (4.62 to 56.26) | <0.0001 |
AST, aspartate aminotransferase.