High-resolution CT findings in initial and last scans
| Initial CT scan | Last CT scan | p-Value | |
| HRCT findings | |||
| Overall extent | 16.6±11.5 | 20.9±24.3 | 0.329 |
| GGO extent | 11.4±9.3 | 12.5±18.7 | 0.752 |
| Reticulation extent | 6.6±7.4 | 9.8±11.3 | 0.146 |
| Fibrosis coarseness grade | 2.1±2.3 | 3.9±3.0 | 0.005 |
| Traction bronchiectasis score | 4.2±4.0 | 7.1±5.0 | 0.007 |
| Honeycombing* | 4 (8) | 17 (34) | 0.003 |
| Honeycombing extent | 0.2±0.6 | 2.3±5.9 | 0.031 |
| Consolidation* | 28 (56) | 10 (20) | <0.001 |
| Consolidation extent | 2.6±3.5 | 0.6±1.4 | 0.002 |
| Emphysema | 1.0±3.3 | 1.0±3.3 | 1.000 |
| Cysts* | 6 (12) | 11 (22) | 0.264 |
↵* Data are numbers of patients, with percentages in parentheses.
HRCT, high-resolution CT; GGO, ground glass opacity.