Table 2.
HRCT findings at time of inclusion.
| HRCT hypothesis | No. (%) |
|---|---|
| NSIP/possible UIP | 19 (50) |
| Subacute HP/DIP | 3 (7,9) |
| EP/NSIP | 3 (7,9) |
| Chronic HP/NSIP | 2 (5,3) |
| Cystic lung disease | 2 (5,3) |
| Alveolar hemorrhage/vasculitis | 1 (2,6) |
| PAP/alveolar hemorrhage | 1 (2,6) |
| PAP/granulomatous lung disease | 1 (2,6) |
| Subacute HP/sarcoidosis | 1 (2,6) |
| NSIP/COP | 1 (2,6) |
| Chronic HP/possible UIP | 1 (2,6) |
| Chronic HP/unclassifiable interstitial fibrosis | 1 (2,6) |
| DIP/RB-ILD | 1 (2,6) |
| NSIP/RB-ILD | 1 (2,6) |
NSIP: non-specific interstitial pneumonia; UIP: usual interstitial pneumonia; HP: hypersensitivity pneumonia; DIP: desquamative interstitial pneumonia; EP: eosinophilic pneumonia; PAP: pulmonary alveolar proteinosis; COP: cryptogenic organizing pneumonia; RB-ILD: respiratory bronchiolitis related interstitial lung disease.