Table 5 Sensitivity of CO-RADS and the RSNA chest CT classification system in the diagnosis of COVID-19 patients stratified by clinical group
Cut-off value | True-positive | False-negative | Sensitivity | |
|---|---|---|---|---|
CO-RADS | ≥ CO-RADS 3 | |||
Asymptomatic/mild group (n = 96) | 9 | 87 | 9.4% | |
Moderate group (n = 171) | 162 | 9 | 94.7% | |
Severe/critically ill group (n = 92) | 90 | 2 | 97.8% | |
Overall (n = 359) | 261 | 98 | 72.7% | |
RSNA | Typical + indeterminate patterns | |||
Asymptomatic/mild (n = 96) | 9 | 87 | 9.4% | |
Moderate (n = 171) | 162 | 9 | 94.7% | |
Severe/critical group (n = 92) | 90 | 2 | 97.8% | |
Overall (n = 359) | 261 | 98 | 72.7% |