Table 2 Comparison of initial CT findings and scores between groups.

From: Quantitative inspiratory–expiratory chest CT findings in COVID-19 survivors at the 6-month follow-up

Characteristics

All patients (n = 205)

Group 1 (n = 88)

Group 2 (n = 117)

p value

Time from symptoms onset to CT scan(days)

24 ± 16

26 ± 17

22 ± 15

0.102

Lung involvement

Unilateral

5/205 (2.4%)

3/88 (3.4%)

2/117 (1.7%)

0.653

Bilateral

200/205 (98%)

85/88 (97%)

115/117 (98%)

 

Predominant CT pattern

GGO

179/205 (87%)

80/88 (91%)

99/117 (85%)

0.388

Consolidation

15/205 (7.3%)

5/88 (5.7%)

10/117 (8.5%)

 

Reticulation

11/205 (5.4%)

3/88 (3.4%)

3/117 (3.4%)

 

Presence of nodule or mass

2/205 (1%)

1/88 (1.1%)

1/117 (0.9%)

0.833

Pleural effusion

23/205 (11%)

11/88 (13%)

12/117 (10%)

0.660

Thickening of the adjacent pleura

62/205 (30%)

31/88 (35%)

31/117 (27%)

0.178

Honeycombing

1/205 (0.5%)

1/88 (1.1%)

0/117 (0%)

0.248

Bronchiectasis

11/205 (5.4%)

7/88 (8%)

4/117 (3.4%)

0.212

CT score

Total lesions

13 ± 8

15 ± 8

12 ± 7

0.004

GGO

12 ± 8

14 ± 8

11 ± 7

0.001

Consolidation

4 ± 5

4 ± 4

4 ± 5

0.833

Reticular

4 ± 5

5 ± 5

4 ± 4

0.002

  1. The data are presented as medians (interquartile ranges) or n/N (%). p values comparing patients with DLco < 80%(group 1) and patients with DLCO ≥ 80% (group 2) are from χ2, Fisher’s exact test, independent-samples T test, or Wilcoxon rank-sum test. GGO ground-glass opacities.