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Table 4 Assignment of CO-RADS and the RSNA chest CT classification system categories in relation to patient age

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

   < 15 years (n = 9) 15–50 years (n = 192)  > 50 years (n = 158) Total (n = 359)
CO-RADS
 CO-RADS 1 8 (88.9) 69 (35.9) 9 (5.7) 86 (24.0)
 CO-RADS 2 0 (0) 4 (2.1) 3 (1.9) 7 (1.9)
 CO-RADS 3 0 (0) 5 (2.6) 2 (1.3) 7 (1.9)
 CO-RADS 4 1 (11.1) 9 (4.7) 4 (2.5) 14 (3.9)
 CO-RADS 5 0 (0) 105 (54.7) 140 (88.6) 245 (68.2)
RSNA system
 Negative 8 (88.9) 69 (35.9) 9 (5.7) 86 (24.0)
 Atypical 0 (0) 7 (3.6) 5 (3.2) 12 (3.3)
 Indeterminate 1 (11.1) 11 (5.7) 4 (2.5) 16 (4.5)
 Typical pattern 0 (0) 105 (54.7) 140 (88.6) 245 (68.2)
  1. Date represent the number of patients and percentage in parenthesis
  2. n number, CO-RADS COVID-19 Reporting and Data System, RSNA radiological Society of North America, CT computed tomography, COVID-19 coronavirus disease 2019