Skip to main content
. 2021 Apr 15;8:630802. doi: 10.3389/fmed.2021.630802

Table 3.

Comparison of CT features at different time points between FC and NF groups.

On-admission End-hospitalization
Total
(n = 147)
FC group
(n = 87)
NF group
(n = 60)
p-value Total
(n = 127)
FC group
(n = 71)
NF group
(n = 56)
p-value
Sum severity CT scores 3.5 ± 3.1 3.9 ± 3.2 3.0 ± 2.9 0.059 3.8 ± 3.8 4.6 ± 3.1 2.7 ± 4.2 0.005*
Predominant CT pattern 0.226 <0.001*
Normal 28 (19.0) 14 (16.1) 14 (23.3) 27 (21.3) 4 (5.6) 23 (41.1)*
GGO 77 (52.4) 52 (59.8) 25 (41.7) 48 (37.8) 29 (40.8) 19 (33.9)
Consolidation 14 (9.5) 7 (8.0) 7 (11.7) 9 (7.1) 7 (9.9) 2 (3.6)
Mixed pattern 22 (15.0) 12 (13.8) 10 (16.7) 7 (5.5) 4 (5.6) 3 (5.4)
Linear opacities 6 (4.1) 2 (2.3) 4 (6.7) 36 (28.3) 27 (38.0) 9 (16.1)*
Number of involved lobes 2.7 ± 1.9 3.0 ± 1.9 2.3 ± 1.9 0.017* 2.8 ± 2.0 3.6 ± 1.6 1.7 ± 1.9 <0.001*
0.156 <0.001*
 0 28 (19.0) 14 (16.1) 14 (23.3) 27 (21.3) 4 (5.6) 23 (41.1)*
 1 22 (15.0) 9 (10.3) 13 (21.7) 17 (13.4) 6 (8.5) 11 (19.6)
 2 19 (12.9) 11 (12.6) 8 (13.3) 13 (10.2) 7 (9.9) 6 (10.7)
 3 16 (10.9) 9 (10.3) 7 (11.7) 12 (9.4) 9 (12.7) 3 (5.4)
 4 21 (14.3) 16 (18.4) 5 (8.3) 16 (12.6) 13 (18.3) 3 (5.4)
 5 41 (27.9) 28 (32.2) 13 (21.7) 42 (33.1) 32 (45.1) 10 (17.9)*
Other CT findings
Pleural effusion 5 (3.4) 4 (4.6) 1 (1.7) 0.649 5 (3.9) 4 (5.6) 1 (1.8) 0.383
Lymphadenopathy 11 (7.5) 9 (10.3) 2 (3.3) 0.200 8 (6.3) 7 (9.9) 1 (1.8) 0.077
Air bronchogram 27 (18.4) 17 (19.5) 10 (16.7) 0.658 0 (0) 0 (0) 0 (0) /
Enlarged vessels 30 (20.4) 14 (16.1) 16 (26.7) 0.118 5 (3.9) 4 (5.6) 1 (1.8) 0.383
Pleural thickening 38 (25.9) 21 (24.1) 17 (28.3) 0.568 25 (19.7) 16 (22.5) 9 (16.1) 0.363
Distribution of lesions 0.222 <0.001*
Peripheral 96 (65.3) 57 (65.5) 39 (65.0) 71 (55.9) 47 (66.2) 24 (42.9)*
Random 18 (12.2) 11 (12.6) 7 (11.7) 14 (11.0) 11 (15.5) 3 (5.4)
Diffuse 5 (3.4) 5 (5.7) 0 (0) 15 (11.8) 9 (12.7) 6 (10.7)
Normal 28 (19.0) 14 (16.1) 14 (23.3) 27 (21.3) 4 (5.6) 23 (41.1)*

Data were expressed as mean ± SD or n (%); FC, familial cluster; NF, non-familial; GGO, ground-glass opacities; SD, standard deviation.

*

p < 0.05, comparison between FC and NF groups.