Chest high-resolution computed tomography indices at diagnosis
| Indices | Extent or number |
| Parenchymal opacities % | 40.5±15.1 |
| Ground-glass opacities % | 34.1±15.1 |
| Consolidation % | 6.4±7.6 |
| Reticulation/honeycombing % | 14.8±12.1 |
| Emphysema % | 7.0±10.2 |
| Bronchiectasis in parenchymal opacities | 28 (47.5) |
| Asymmetrical acute exacerbation | 13 (22.0) |
The data are presented as mean±sd or n (%).