TABLE 2.
Variable | Pooled single proportion (95% CI) | Number of studies | Heterogeneity (I2) | p value | Total |
---|---|---|---|---|---|
Bilateral GGO a | 0.68 (0.59–0.75) | 62 | 91.8% | <0.01 | 5028 |
Consolidation | 0.25 (0.16–0.36) | 37 | 95.4% | <0.01 | 4355 |
Crazy‐paving | 0.36 (0.24–0.49) | 27 | 94.5% | <0.01 | 3653 |
Enlarged mediastinal or hilar lymph nodes | 0.15 (0.07–0.28) | 18 | 94.4% | <0.01 | 2639 |
GGO with consolidation | 0.42 (0.33–0.52) | 41 | 87.7% | <0.01 | 1849 |
Left lung involvement | 0.45 (0.3–0.61) | 28 | 77.8% | <0.01 | 947 |
Multiple mottling GGO | 0.65 (0.49–0.78) | 21 | 89% | <0.01 | 671 |
Multiple peripheral GGO | 0.62 (0.44–0.78) | 24 | 94.9% | <0.01 | 1484 |
Bilateral involvement lesions | 0.69 (0.6–0.77) | 38 | 88.8% | <0.01 | 3772 |
Unilateral involvement lesions | 0.35 (0.27–0.45) | 41 | 92.7% | <0.01 | 5463 |
Pure GGO | 0.62 (0.54–0.69) | 68 | 92.2% | <0.01 | 8951 |
Unilateral GGO | 0.21 (0.15–0.29) | 27 | 75.6% | <0.01 | 1224 |
Pericardial effusion | 0.05 (0.03–0.08) | 6 | 46.1% | 0.1 | 397 |
Pleural effusion | 0.07 (0.05–0.11) | 27 | 86% | <0.01 | 3113 |
Pneumothorax | 0.36 (0.01–0.97) | 4 | 93.8% | <0.01 | 337 |
Right lung involvement | 0.6 (0.42–0.76) | 21 | 82.7% | <0.01 | 896 |
Note: p‐value of heterogeneity is significant when <0.1
GGO: Ground glass opacities.