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Table 2 Diagnostic findings according to observers and different levels of suspicion of COVID affection

From: Validation of imaging reporting and data system of coronavirus disease 2019 lexicons CO-RADS and COVID-RADS with radiologists’ preference: a multicentric study

Parameter (n = 991)

Category

Observer 1

Observer 2

Observer3

o COVID_RADS results

Low

206 (20.8%)

206 (20.8%)

206 (20.8%)

 

Moderate

283 (28.6%)

283 (28.6%)

283 (28.6%)

 

High

502 (50.6%)

502 (50.6%)

502 (50.6%)

o COVID_RADS feasibility

Feasible

968 (97.7%)

968 (97.7%)

968 (97.7%)

o CO-RADS results

Very low

153 (15.4%)

153 (15.4%)

153 (15.4%)

 

Low

115 (11.6%)

115 (11.6%)

115 (11.6%)

 

Equivocal

108 (10.9%)

108 (10.9%)

109 (10.9%)

 

High

124 (12.5%)

123 (12.4%)

124 (12.5%)

 

Very high

491 (49.5%)

492 (49.6%)

490 (49.4%)

CO-RADS feasibility

Feasible

910 (91.8%)

915 (92.3%)

915 (92.3%)

o Observer preference

COVID-RADS

778 (78.5%)

748 (75.5%)

727 (73.4%)

 

CO-RADS

213 (21.5%)

243 (24.5%)

264 (26.6%)