Table 2 Predictive performance of the Japan Coma Scale and the Glasgow Coma Scale for in-hospital mortality
AUROC (95% CI) | Cut-off | Sensitivity, % | Specificity, % | PPV, % | NPV, % | |
|---|---|---|---|---|---|---|
JCS score, 10-point scale | 0.874 (0.871–0.878) | 3 | 82.5 | 78.0 | 22.4 | 98.3 |
JCS score, four-point scale | 0.859 (0.856–0.863) | 2-digit | 76.0 | 84.3 | 27.0 | 97.9 |
Eye response GCS score | 0.829 (0.825–0.833) | 2 | 65.7 | 92.2 | 39.3 | 97.2 |
Verbal response GCS score | 0.860 (0.857–0.864) | 3 | 75.0 | 87.9 | 32.2 | 97.9 |
Motor response GCS score | 0.842 (0.838–0.846) | 5 | 77.5 | 84.0 | 27.1 | 98.0 |
Total sum of GCS score | 0.878 (0.874–0.881) | 11 | 74.7 | 88.5 | 33.3 | 97.9 |