Table 3.
Results of computed tomography scans in the two groups.
| Observational group (n = 104) | Control group (n = 272) | |
|---|---|---|
| Nodular infiltrate | 22 (21.2)* | 2 (0.7) |
| Halo sign | 14 (13.5)* | 0 (0.0) |
| Wedge-shaped pleura-associated consolidation | 26 (25.0)* | 6 (2.2) |
| Focal ground-glass opacities | 25 (24.0)* | 9 (3.3) |
| Caverns/air-crescent sign | 8 (7.7)* | 2 (0.7) |
| Tree-in-bud pattern/centrilobular nodules | 2 (1.9)* | 0 (0.0) |
| Peribronchial consolidations | 2 (1.9)* | 0 (0.0) |
| Diffuse ground-glass opacities | 5 (4.8)* | 1 (0.4) |
Data are presented as n (%)
*P < 0.05 compared with control group