Table 3.

Chest CT imaging characteristics of 55 adult patients with COVID-19 pneumonia.

Characteristics	Number (%)*	Lesion (%)*	P value⁎⁎
Location
No lesion	0 (0%) / 3 (19%) / 0 (0%)	0	..
Unilateral lung	3 (21%) / 3 (19%) / 9 (36%)	10 (8%) / 7 (4%) / 26 (8%)	0·303
Bilateral lungs	11 (79%) / 10 (63%) / 16 (64%)	121 (92%) /154 (96%) / 296 (92%)	..
Lung lobe involvement
No lesion	0 (0%) / 3 (19%) / 0 (0%)	0	..
One lobe	1 (7%) / 2 (13%) / 8 (32%)	3 (2%) / 2 (1%) / 14 (4%)	0·149
Two lobes	3 (21%) / 1 (6%) / 2 (8%)	10 (8%) / 5 (3%) /24 (7%)	0·144
Three lobes	4 (29%) / 2 (13%) / 4 (16%)	33 (25%) / 16 (10%) / 27 (8%)	< 0·001
Four lobes	1 (7%) / 2 (13%) / 1 (4%)	4 (3%) / 23 (14%) / 9 (3%)	< 0·001
Five lobes	5 (36%) / 6 (38%) / 10 (40%)	81 (62%) / 115 (71%) / 248 (77%)	0·004
Predominant distribution
Peripheral	14 (100%) / 16 (100%) /24 (96%)	100 (76%) / 135 (84%) / 253 (79%)	0·241
Central	0 (0%) / 0 (0%) /1 (4%)	31 (24%) / 26 (16%) / 69 (21%)	..
Main presence of lesions
Pure GGO	13 (93%) / 12 (75%) / 18 (72%)	94 (72%) / 91 (57%) / 168 (52%)	0·001
GGO with consolidation	11 (79%) / 7 (44%) / 15 (60%)	25 (19%) / 30 (19%) / 95 (30%)	0·009
GGO with reticulation	10 (71%) /6 (38%) / 4 (16%)	24 (18%) / 9 (26%) /16 (5%)	< 0·001
Consolidation	3 (21%) / 8 (50%) / 14 (56%)	12 (9%) / 40 (25%) / 58 (18%)	0·002
Other findings
Pleural effusion	1 (7%) / 6 (38%) / 6 (24%)	0	..
Lymphadenopathy	0 (0%) / 0 (0%) / 0 (0%)	0	..

GGO, ground-glass opacity.

^⁎Data are shown with the percentage in parentheses and the data are demonstrated in the order of non-pregnant adults group, laboratory-confirmed pregnant women group, and clinically-diagnosed pregnant women group.

^⁎⁎Differences of Chest CT imaging characteristics for lesions among the non-pregnant adults, laboratory-confirmed pregnant women, and clinically-diagnosed pregnant women groups.