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Table 5 Sensitivity of CO-RADS and the RSNA chest CT classification system in the diagnosis of COVID-19 patients stratified by clinical group

From: Comparison of the CO-RADS and the RSNA chest CT classification system concerning sensitivity and reliability for the diagnosis of COVID-19 pneumonia

  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%
  1. n number, COVID-19 coronavirus disease 2019, RSNA radiological Society of North America, CO-RADS COVID-19 Reporting and Data System