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Egger test for publication bias
| CT features | P-value | CT features | P value |
|---|---|---|---|
| GGO | 0.5425 | Intrathoracic lymph node enlargment | 0.4386 |
| Consolidation | 0.1724 | Vascular enlargement | 0.1724 |
| Mixed GGO and consolidation | 0.01078 | Peripheral | 0.729 |
| Crazy paving pattern | 0.01784 | Central | 0.3224 |
| Air bronchogram sign | 0.01918 | Unilateral | 0.2431 |
| Pleural effusions | 0.9633 | Bilateral | 0.001183 |
