Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) for elevation of mean pulmonary arterial pressure
| Scores n | Sensitivity % | Specificity % | PPV % | NPV % |
| 0 | 13.2 | 54.2 | 6.7 | 71.6 |
| 1 | 24.5 | 68.2 | 16.0 | 78.5 |
| 2 | 30.2 | 81.8 | 29.1 | 82.5 |
| 3 | 32.1 | 95.8 | 65.4 | 85.1 |