Table 2.
Values of the four scoring systems in prediction of SAP, and comparisons of ROC curves between two groups
| Scoring system | AUC | 95%CI | Cut-offs | Sensitivity | Specificity | Youden Index | PPV | NPV | Significa-nce level |
|---|---|---|---|---|---|---|---|---|---|
| aged group/ younger group | |||||||||
| Ranson | 0.867/0.964 | 0.828–0.900/0.945–0.978 | ≥4/≥3 | 0.814/0.920 | 0.842/0.928 | 0.613/0.809 | 0.289/0.377 | 0.983/0.996 | < 0.05 |
| BISAP | 0.922/0.942 | 0.890–0.947/0.881–0.969 | ≥3/≥2 | 0.889/0.960 | 0.865/0.880 | 0.754/0.764 | 0.343/0.276 | 0.990/0.998 | 0.383 |
| APACHE II | 0.784/0.951 | 0.729–0.817/0.884–0.975 | ≥9/≥8 | 0.852/0.960 | 0.610/0.930 | 0.462/0.899 | 0.147/0.429 | 0.981/0.998 | < 0.01 |
| Glasgow | 0.913/0.881 | 0.880–0.940/0.851–0.907 | ≥3/≥2 | 0.852/0.800 | 0.842/0.882 | 0.656/0.650 | 0.299/0.244 | 0.986/0.989 | 0.506 |