Table 2.
Screening performance characteristics of scoring systems in predicting 30-day mortality in upper gastrointestinal bleeding
| Scores | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
| GBS | 0.97 | 0.13 | 0.14 | 0.97 |
| BBS | 0.97 | 0.27 | 0.14 | 0.98 |
| CSMCPI | 0.97 | 0.29 | 0.15 | 0.99 |
| RS | 0.96 | 0.27 | 0.14 | 0.98 |
| T score | 0.71 | 0.80 | 0.78 | 0.73 |
| AIMS65 | 0.35 | 0.82 | 0.89 | 0.23 |
PPV: Positive predictive value, NPV: Negative predictive value, GBS: Glasgow Blatchford score, BBS: Baylor bleeding score, CSMCPI: Cedars-Sinai Medical Center predictive index, RS: Rockall risk scoring score.