Positive CT: 88% (888/1,014), positive RT‐PCR: 59% (601/1,014).
Sensitivity of CT based on positive RT‐PCR: 97% (95%CI, 95–98%, 580/601).
Negative RT‐PCR/positive CT: 75% (308/413).
Initial positive CT consistent with COVID‐19 before the initial positive RT‐PCR: 60–93%.
Improvement in follow‐up CT before the RT‐PCR turning negative: 42% (24/57), CT: GGO: 46% [409/888], consolidations: 50% [447/888], bilateral findings: 90% [801/888]