Table 4.
Chest CT at 12-month follow-up according to severity groups
| Severity group 1 n = 81 |
Severity group 2 n = 18 |
Severity group 3 n = 57 |
Total n = 156 |
p-value | |
|---|---|---|---|---|---|
| Normal CT pattern | 28 (34.6%) | 2 (11.1%) | 3 (5.3%) | 33 (21.2%) | 0.001 |
| Consolidation | 14 (17.3%) | 0 (0%) | 11 (19.3%) | 25 (16%) | 0.12 |
| GGO | 29 (35.8%) | 11 (61.1%) | 31 (54.4%) | 71 (45.5%) | 0.02 |
| Reticular pattern | 26 (32.1%) | 4 (22.2%) | 23 (40.4%) | 53 (33.9%) | 0.36 |
| Traction bronchiectasis | 14 (17.3%) | 6 (33.3%) | 28 (49.1%) | 48 (30.8%) | 0.001 |
| Parenchymal bands | 14 (17.3%) | 6 (33.3%) | 32 (56.1%) | 52 (33.4%) | 0.001 |
| Fibrosis-like changesa | 39 (48.1%) | 15 (83.4%) | 48 (84.2%) | 102 (65.4%) | 0.001 |
Data are n (%). Severity group 1: mild. Severity group 2: moderate. Severity group 3: severe
CT computed tomography, GGO ground glass opacity
aFibrotic-like changes: defined as the presence of traction bronchiectasis, reticular pattern and/or parenchymal bands