Table 3.
CT features along the clinical course.
| Characteristics | 0–3 days | 4–7 days | 8–14 days | >14 days | P-value |
|---|---|---|---|---|---|
| Simple GGO | 7 | 6 | 7 | 2 | 0.741 |
| GGO with interlobular septal thickening | 3 | 8 | 13 | 5 | 0.172 |
| GGO with consolidation | 3 | 8 | 12 | 6 | 0.269 |
| Simple consolidation | 1 | 5 | 12 | 6 | 0.072 |
| Interlobular septal thickening | 2 | 3 | 4 | 4 | NA |
| Thickening of bronchovascular bundles | 3 | 3 | 7 | 1 | NA |
| Linear interstitial fibrosis with various thicknesses | 1 | 3 | 5 | 2 | NA |
| Interlobar pleural thickening | 1 | 3 | 0 | 0 | NA |
| Costal pleural thickening with small pleural effusion | 0 | 3 | 1 | 1 | NA |
| Scarring lobar atelectasis | 0 | 1 | 1 | 1 | NA |
| Interstitial emphysema with pneumomediastinum | 0 | 0 | 1 | 0 | NA |
Data are expressed as numbers.
CT: Computed tomography; GGO: Ground-glass opacity; NA: not available.