Institutional and multidisciplinary discussion (MDD) diagnoses
| Institutional diagnosis | MDD diagnosis | |
| IPF | 227 (49) | 200 (43) |
| iNSIP | 99 (21) | 44 (9) |
| COP | 20 (4) | 5 (1) |
| DIP/RB-ILD | 16 (3) | 9 (2) |
| LIP | 5 (1) | 0 |
| iPPFE | 7 (2) | 18 (4) |
| Unclassifiable IIPs | 91 (20) | 168 (36) |
| Other diseases (not IIPs) | 0 | 21 (5) |
Data are presented as n (%). IPF: idiopathic pulmonary fibrosis; iNSIP: idiopathic nonspecific interstitial pneumonia; COP: cryptogenic organising pneumonia; DIP: desquamative interstitial pneumonia; RB-ILD: respiratory bronchiolitis-interstitial lung disease; LIP: lymphoid interstitial pneumonia; iPPFE: idiopathic pleuroparenchymal fibroelastosis; IIP: idiopathic interstitial pneumonia.