Table 2 CT features of COVID-19 patients with two consecutive negative RT-PCR tests after treatment.
From: CT features of COVID-19 patients with two consecutive negative RT-PCR tests after treatment
Feature | Moderate group n = 39 | Severe/critical group n = 7 | P value |
|---|---|---|---|
Number | |||
Unique | 3 (8%) | 0 (%) | – |
Multiple | 36 (92%) | 7 (100%) | 1.0 |
Distribution | |||
Peripheral | 33 (85%) | 2 (29%) | 0.005 |
Peripheral involving central | 6 (15%) | 5 (71%) | 0.005 |
Lobes involved | |||
Single lobe | 9 (23%) | 0 (0%) | – |
2–4 lobes | 13 (33%) | 0 (0%) | – |
5 lobes | 17 (44%) | 7 (100%) | 0.01 |
Density | |||
Ground glass opacity | 38 (97%) | 7 (100%) | 1.0 |
Mixed ground glass opacity | 16 (41%) | 7 (100%) | 0.009 |
Consolidation | 4 (10%) | 4 (57%) | 0.012 |
Shape | |||
Circular | 18 (46%) | 3 (43%) | 1.0 |
Fan-shaped | 19 (49%) | 7 (100%) | 0.014 |
Irregular | 34 (87%) | 7 (100%) | 1.0 |
Pulmonary fibrosis | 22 (56%) | 5 (71%) | 0.682 |
Pulmonary interstitium thickening | 28 (72%) | 7 (100%) | 0.171 |
Linear | 5 (13%) | 1 (14%) | 1.0 |
Reticular | 23 (59%) | 6 (86%) | 0.043 |
Other findings | |||
Air bronchogram | 1 (3%) | 4 (57%) | 0.003 |
Vascular enlargement | 30 (77%) | 7 (100%) | 0.316 |
Bronchial wall thickening | 3 (8%) | 2 (29%) | 0.160 |
Bronchiectasis | 5 (13%) | 3 (43%) | 0.089 |
Pleural thickening | 19 (49%) | 6 (86%) | 0.106 |
Pleural adhesion | 12 (31%) | 5 (71%) | 0.083 |
Pleural effusion | 1 (3%) | 3 (43%) | 0.009 |
Total CT score | |||
0–5 | 29 (74%) | 0 (0%) | – |
6–10 | 8 (21%) | 2 (29%) | 0.636 |
11–15 | 0 (%) | 1 (14%) | – |
16–20 | 2 (5%) | 4 (57%) | 0.003 |
