Table 6. Predictive performance of risk scores for upper gastrointestinal bleeding outcomes.
GBS: Glasgow-Blatchford score; NEWS: National Early Warning Score; NEWS+L: National Early Warning Score + Lactate
| Outcome | Risk scores | Cutoff point | Sensitivity | Specificity | PPV | NPV |
| Blood Transfusion | Glasgow Blatchford | 7 | 70.18% | 73.26% | 46.51% | 88.11% |
| AIMS65 | 1 | 29.82% | 75.58% | 28.81% | 76.47% | |
| NEWS | 4 | 40.35% | 91.28% | 60.53% | 82.20% | |
| NEWS+L | 4.6 | 50.88% | 81.98% | 48.33% | 83.43% | |
| Inpatient Admission | Glasgow Blatchford | 4 | 68.72% | 46.94% | 82.55% | 29.11% |
| AIMS65 | 2 | 78.21% | 36.73% | 81.87% | 31.58% | |
| NEWS | 1 | 84.92% | 73.47% | 92.12% | 57.14% | |
| NEWS+L | 2.5 | 74.30% | 77.55% | 92.36% | 45.24% | |
| 90-Day Mortality | Glasgow Blatchford | 7 | 55.00% | 64.11% | 12.79% | 93.71% |
| AIMS65 | 1 | 35.00% | 75.12% | 11.86% | 92.35% | |
| NEWS | 4 | 55.00% | 87.08% | 28.95% | 95.29% | |
| NEWS+L | 7.8 | 50.00% | 93.78% | 43.48% | 95.15% |