DECAF Score and inhospital mortality
| DECAF Score | n | Inhospital mortality, % | Sensitivity* | Specificity* | 30-day mortality, % |
| 0 | 201 | 0.5 | 1 | 0 | 1.5 |
| 1 | 291 | 2.1 | 0.99 | 0.24 | 3.8 |
| 2 | 226 | 8.4 | 0.93 | 0.59 | 11.9 |
| 3 | 125 | 24 | 0.73 | 0.84 | 27.2 |
| 4 | 57 | 45.6 | 0.42 | 0.96 | 45.6 |
| 5 | 20 | 70 | 0.15 | 0.99 | 70 |
| 6 | 0 | NA | NA | NA | NA |
↵* For inhospital mortality: positive test result = score ≥ corresponding DECAF Score; DECAF 0–1 = Low risk; 2= Intermediate risk; ≥3= High risk.
DECAF, Dyspnoea, Eosinopenia, Consolidation, Acidaemia and atrial Fibrillation.