Table 4.
CT Findings of Patients with Viral Pneumonia and Variability of Radiological Findings from Chest Computed Tomography between Two Observers.
| Findings | Number | % | Kappa coefficient (95% confidence interval) |
|---|---|---|---|
| Consolidation | 43 | 81.1 | 0.638 (0.399, 0.877) |
| Bilateral | 31 | 58.5 | 0.849 (0.708, 0.990) |
| Affected lobes | 3.1±2.2 | ||
| Subpleural distribution | 3 | 5.7 | 0.156 (-0.007, 0.319) |
| Along with bronchovascular bundles | 2 | 3.8 | -0.062 (-0.132, 0.008) |
| Ground-glass opacities | 53 | 100.0 | NE |
| Bilateral | 45 | 84.9 | 0.554 (0.263, 0.844) |
| Affected lobes | 4.5±1.6 | ||
| Subpleural distribution | 2 | 3.8 | 0.084 (-0.029, 0.197) |
| Along with bronchovascular bundles | 2 | 3.8 | 0.174 (-0.182, 0.530) |
| Halo sign | 0 | 0.0 | NE |
| Inverted halo sign | 2 | 3.8 | NE |
| Diffuse bronchial wall thickening | 3 | 5.7 | 0.485 (-0.114, 1.000) |
| Nodule (<3 cm) | 9 | 17.0 | NE |
| Mass (≥3 cm) | 2 | 3.8 | NE |
| Cavity | 0 | 0.0 | NE |
| Centrilobular nodules | 11 | 20.8 | 0.554 (0.263, 0.844) |
| Bilateral | 9 | 17.0 | 0.614 (0.310, 0.918) |
| Tree-in-bud appearance | 0 | 0.0 | NE |
| Intralobular septal thickening | 2 | 3.8 | 0.372 (-0.186, 0.929) |
| Intralobular reticulation | 1 | 1.9 | 0.195 (-0.134, 0.525) |
| Honeycombing | 2 | 3.8 | 1.000 (1.000, 1.000) |
| Mediastinal or hilar lymph node swelling | 16 | 30.2 | 0.604 (0.372, 0.836) |
| Pleural effusion | 30 | 56.6 | 0.846 (0.702, 0.991) |
| Bilateral | 14 | 26.4 | 0.722 (0.514, 0.929) |
| Pneumothorax | 0 | 0.0 | NE |
| Cardiomegaly | 3 | 5.7 | 0.307 (-0.060, 0.673) |