Table 4.
Scoring system | Cut-off | No (%) of patients classified as high risk | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
---|---|---|---|---|---|---|
Glasgow Blatchford | ≥7 | 1456 (50) | 80.4 | 57.4 | 31.3 | 92.4 |
AIMS65 | ≥1 | 1619 (65) | 79.7 | 38.7 | 25.9 | 87.6 |
Admission Rockall | ≥3 | 1686 (57) | 69.8 | 45.9 | 23.5 | 86.5 |
PPV=positive predictive value; NPV=negative predictive value.