Table 3.
Comparative analysis of MRL and CTL for lung abnormal signs
| Abnormal Signs | Examinations | Kappa Value | P Value | |
|---|---|---|---|---|
| MRL | CTL | |||
| Parenchymal changes of the lungs | ||||
| GGO | 19/31 (61.3) | 25/31 (80.6) | 0.401 | 0.070 |
| Parenchymal GGO | - | 17/25 (68.0) | - | - |
| Acinar GGO | - | 11/25 (44.0) | - | - |
| Ordinary GGO | - | 6/25 (24.0) | - | - |
| Interstitial GGO | - | 2/25 (8.0) | - | - |
| Mixed GGO | - | 6/25 (24.0) | - | - |
| Atelectasis | ||||
| Obstructive atelectasis | 1/31 (3.2) | 1/31 (3.2) | 1.000 | 1.000 |
| Compression atelectasis | 7/31 (22.6) | 8/31 (25.8) | 0.912 | 1.000 |
| Consolidation | ||||
| Lobar and segmental distribution | 1/31 (3.2) | 1/31 (3.2) | 1.000 | 1.000 |
| Non-lobar and segmental distribution | 1/31 (3.2) | 2/31 (6.5) | 0.652 | 1.000 |
| Interstitial changes of the lungs | ||||
| Peripheral interstitial changes | ||||
| Interlobular septal thickening | 8/31 (25.8) | 16/31 (51.6) | 0.492 | 0.008 |
| Intralobular interstitial thickening | 2/31 (6.5) | 7/31 (22.6) | 0.135 | 0.125 |
| Central interstitial changes | ||||
| Bronchovascular bundles thickening | 14/31 (45.2) | 18/31 (58.1) | 0.746 | 0.125 |
| Pulmonary nodules | 4/31 (12.9) | 11/31 (35.5) | 0.424 | 0.016 |
| Airway abnormalities | ||||
| Airway wall thickening | 24/31 (77.4) | 26/31 (83.9) | 0.384 | 0.687 |
| Airway stenosis | 2/31 (6.5) | 12/31 (38.7) | 0.197 | 0.002 |
| Airway dilation | 0/31 (0.0) | 1/31 (3.2) | 0.000 | 1.000 |
| Other pulmonary signs | ||||
| Tree-in-bud pattern | - | 3/31 (9.7) | - | - |
| Frog-spawn sign | - | 3/31 (9.7) | - | - |
| Crazy-paving pattern | - | 4/31 (12.9) | - | - |