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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%)