Table 2 Diagnostic accuracy of clinical and instrumental variables
| Â | Total | Diagnostic accuracy | Specificity | Sensitivity |
|---|---|---|---|---|
Dyspnoea | 29.1 | 64.6 | 81.3 | 41.2 |
Dry cough | 12.1 | 58.3 | 89.2 | 15.1 |
Thoracic X-ray | 35.1 | 71.3 | 80 | 57.8 |
DLCO < 47% | 26 | 54.9 | 80 | 30.8 |
FVC < 70% | 18.9 | 52.8 | 82.1 | 20 |
Velcro cracklesa | 49.2 | 67.2 | 65.7 | 69.1 |
VECTOR | 52.9 | 83.9 | 76.9 | 93.2 |