Table 4.
Prospectively Applied ILD-Screen Performance Stratified According to ILD Subtype
| Variable | ILD-Screen |
% Correctly Classified |
|
|---|---|---|---|
| Negative | Positive | ||
| ILD classification | |||
| Fibrotic ILD | 0 | 34 | 100 |
| Nonfibrotic ILD/ILAs | 13 | 16 | 55 |
| Diagnosis | |||
| Idiopathic pulmonary fibrosis | 0 | 6 | 100 |
| Connective tissue disease-associated ILD | 1 | 8 | 89 |
| Unclassifiable fibrotic ILD | 0 | 10 | 100 |
| Unclassifiable nonfibrotic ILAs | 5 | 13 | 72 |
| Smoking-related ILD | 4 | 5 | 56 |
| Other ILD | 3 | 8 | 73 |
| Total | 13 | 50 | 79 |
ILAs = interstitial lung abnormalities. See Table 1 legend for expansion of other abbreviation.