Scoring system | Day with best discriminating power | Cut-off point* | Youden Index | Sensitivity (%) | Specificity (%) | Overall correctness | PPV (%) | NPV (%) |
---|---|---|---|---|---|---|---|---|
APACHE II | -1 | 22 | 0.579 | 70.0 | 87.9 | 26.0 | 84.0 | 76.3 |
SAPS II | -1 | 33 | 0.509 | 93.3 | 57.6 | 34.0 | 66.7 | 90.5 |
SOFA | +1 | 5 | 0.391 | 81.5 | 57.6 | 46.3 | 61.1 | 79.2 |