| No Bacterial Infection (n = 1635) | Respiratory Co-infection (n = 54) | Respiratory Secondary Infection (n = 85) | P value |
---|---|---|---|---|
GGO on chest X-ray images | 1176 (65.8%) | 44 (83.0%) | 70 (84.3%) |  < 0.0001 |
Infiltrative shadow on chest X-ray images | 423 (26.2%) | 32 (64.0%) | 45 (54.2%) |  < 0.0001 |
GGO on chest CT images | 1261 (81.2%) | 47 (92.2%) | 76 (97.4%) | 0.0002 |
Infiltrative shadow on chest CT images | 586 (38.4%) | 31 (67.4%) | 47 (61.8%) |  < 0.0001 |