Table 9 Computed tomography features of coronavirus disease 2019 reporting and data system (CO-RADS) groups
CT findings | Total n = 144 | CO-RADS 1 n = 38* (T%/C%) | CO-RADS 2 n = 11* (T%/C%) | CO-RADS 3 n = 35* (T%/C%) | CO-RADS 4 n = 23* (T%/C%) | CO-RADS 5 n = 37* (T%/C%) |
|---|---|---|---|---|---|---|
Central | 64 (44.4%) | 2 (5.3%/1.4%) | 2 (18.2%/1.4%) | 21 (60%/15%) | 12 (52.2%/8.3%) | 27 (73%/18%) |
Peripheral | 104 (72.2%) | 7 (18.4%/5%) | 7 (64%/5%) | 30 (86%/20.1%) | 23 (100%/16%) | 37 (100%/26%) |
Ground glass opacity | 95 (66%) | 0 (0%)/(0%) | 0 (0%/0%) | 35 (100%/24%) | 23 (100%/16%) | 37 (100%/26%) |
Consolidation | 47 (33%) | 2 (5.3%/1.4%) | 1 (9.1%/1%) | 2 (6%/1.4%) | 14 (61%/10%) | 28 (76%/19.4%) |
Crazy paving | 41 (29%) | 0 (0%/0%) | 0 (0%/0%) | 7 (20%/5%) | 12 (52.2%/8.3%) | 22 (60%/15.3%) |
Subpleural involvement | 89 (62%) | 3 (8%/2.1%) | 1 (9.1%/1%) | 29 (82.2%/20.1%) | 21 (91.3%/15%) | 35 (95%/24.3%) |
Vascular thickening | 51 (35.4%) | 0 (0%/0%) | 0 (0%/0%) | 6 (17.1%/4.2%) | 15 (65.2%/10.4%) | 30 (81.1%/21%) |
Pleural thickening | 47 (33%) | 3 (8%/2.1%) | 0 (0%/0%) | 6 (17.1%/4.2%) | 11 (48%/8%) | 27 (73%/18%) |
Subpleural band | 45 (31.2%) | 1 (2.6%/1%) | 0 (0%/0%) | 3 (5.6%/2.1%) | 14 (61%/10%) | 27 (73%/18%) |
Pleural effusion | 38 (26.4%) | 6 (15.8%/4.2%) | 0 (0%/0%) | 7 (20%/4.9%) | 11 (48%/8%) | 14 (38%/10%) |
Bronchiectasis | 23 (16%) | 4 (2.8%/1.5%) | 7 (63.6%/4.9%) | 5 (14.3%/3.5%) | 5 (21.7%/3.5%) | 2 (5.4%/1.4%) |
Lymphadeno-pathy | 30 (11%) | 1 (2.6%/1%) | 2 (18.2%/1.4%) | 6 (17.1%/4.2%) | 8 (35%/6%) | 22 (60%/15.3%) |
Nodular opacity | 19 (13.1%) | 7 (18.4%/5%) | 0 (0%/0%) | 0 (0%/0%) | 10 (35%/7%) | 2 (5.4%/1.4%) |
Patchy infiltrates | 10 (7%) | 0 (0%/0%) | 10 (91%/7%) | 0 (0%/0%) | 0 (0%/0%) | 0 (0%/0%) |
Tree-in-bud | 2 (1.4%) | 0 (0%/0%) | 2 (18.2%/1.4%) | 0 (0%/0%) | 0 (0%/0%) | 0 (0%/0%) |
Pericardial effusion | 1 (1%) | 0 (0%/0%) | 0 (0%/0%) | 0 (0%/0%) | 0 (0%/0%) | 1 (3%/1%) |
Empyema | 2 (1.4%) | 0 (0%/0%) | 0 (0%/0%) | 1 (3%/1%) | 0 (0%/0%) | 1 (5.4%/% 1.4) |