Table 3. Chest CT Findings in 51 Patients with COVID-19 Pneumonia.

CT Findings	All (n = 51)	Mild (n = 37)	Severe (n = 14)	p-Value‡
Pattern of lesion				0.229
Pure GGO	11 (22)	10 (27)	1 (7)
Mixed GGO	39 (76)	26 (70)	13 (93)
Pure consolidation	1 (2)	1 (3)	0 (0)
Other findings
Interlobular septal thickening†	21 (41)	11 (20)	10 (71)	0.007
Air bronchogram*	14 (28)	7 (19)	7 (50)	0.026
Adjacent pleural thickening	5 (10)	3 (8)	2 (14)	0.606
Pleural effusion	3 (6)	1 (3)	2 (14)	0.179
Reversed halo sign	1 (2)	1 (3)	0 (0)	1.000
Lymphadenopathy	0 (0)	0 (0)	0 (0)

Data are represented as n (%).

^*p < 0.05.

^†p < 0.01.

^‡Difference between mild and severe group.

COVID-19 = coronavirus disease 2019, CT = computed tomography, GGO = ground glass opacification