Table 2.

Chest CT findings in the patients with COVID-19.

	At discharge				3 months after discharge			7 months after discharge
	Total (N = 41)	Fibrosis group (N = 12)	Non-fibrosis group (N = 29)	P-value	Total (N = 41)	Fibrosis group (N = 12)	Non-fibrosis group (N = 29)	Total (N = 41)	Fibrosis group (N = 12)	Non-fibrosis group (N = 29)
Opacity score	4.0 (2.0–5.0)	6.7 (5.0–9.0)	2.9 (1.0–4.8)	0.002	0.0 (0.0–2.0)	2.0 (0.0–3.0)	0.4 (0.0–0.8)	0.0 (0.0–1.0)	1.7 (0.5–3.0)	0.2 (0.0–0.3)
Volume of opacity (ml)	178.0 (41.4–422.0)	602.0 (156.0–1080.0)	183.0 (6.0–249.0)	0.009	1.4 (0.0–19.0)	51.0 (1.0–67.0)	20.0 (0.0–33.0)	0.9 (0.0–12.8)	33.0 (3.0–41.0)	5.0 (0.0–18.0)
Percentage of opacity	4.3 (1.0–12.4)	19.4 (3.5–32.5)	5.3 (0.1–8.8)	0.007	0.0 (0.0–0.5)	1.7 (0.0–1.9)	0.7 (0.0–0.8)	0.0 (0.0–0.3)	1.1 (0.0–1.6)	0.2 (0–1.0)
GGO	29 (71%)	11 (92%)	18 (62%)	0.058	11 (27%)	7 (58%)	4 (14%)	5 (12%)	4 (33%)	1 (3%)
Consolidation	19 (46%)	8 (67%)	11 (38%)	0.093	6 (15%)	4 (33%)	2 (7%)	4 (10%)	3 (25%)	1 (3%)
Crazy paving pattern	2 (5%)	1 (8%)	1 (3%)	0.509	0 (0%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)
Air bronchogram	3 (7%)	2 (17%)	1 (3%)	0.139	0 (0%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)	0 (0%)
Interlobular septal thickening	28 (68%)	12 (100%)	16 (55%)	0.005	17 (41%)	12 (100%)	5 (17%)	13 (32%)	12 (100%)	1 (3%)
Irregular interface	19 (46%)	9 (75%)	10 (34%)	0.018	6 (15%)	6 (50%)	0 (0%)	5 (12%)	5 (42%)	0 (0%)
Reticular pattern	16 (39%)	12 (100%)	4 (14%)	<0.001	10 (24%)	10 (83%)	0 (0%)	5 (12%)	5 (42%)	0 (0%)
Parenchymal band	30 (73%)	12 (100%)	18 (62%)	0.013	22 (54%)	12 (100%)	10 (34%)	17 (41%)	12 (100%)	5 (17%)
Traction bronchiectasis	12 (29%)	10 (83%)	2 (7%)	<0.001	14 (34%)	12 (100%)	2 (7%)	12 (29%)	12 (100%)	0 (0%)

Data are median (interquartile range) or n (%). Bold values indicate p < 0.05.