Variable | Optimum critical value | Sensitivity (%) | Specificity (%) | Youden index |
AST (U/L) | 72 | 0.864 | 0.15 | 0.714 |
LDH (U/L) | 348.5 | 0.909 | 0.1 | 0.809 |
CSF protein (g/L) | 0.39 | 0.682 | 0.0 | 0.682 |
CSF LDH (U/L) | 31.5 | 0.682 | 0.05 | 0.632 |