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Table 3 Differences in CT image characteristics between Groups A and C

From: A single-center, retrospective study of COVID-19 features in children: a descriptive investigation

Characteristics

Group A

Group C

Standardize diff.

p value

Ground-glass opacity

0.31 (− 0.18, 0.80)

0.230

No

14 (32.56%)

5 (19.23%)

Yes

29 (67.44%)

21 (80.77%)

Local patchy shadowing

0.22 (− 0.27, 0.71)

0.380

No

27 (62.79%)

19 (73.08%)

Yes

16 (37.21%)

7 (26.92%)

Bilateral patchy shadowing

0.04 (− 0.44, 0.53)

0.865

No

34 (79.07%)

21 (80.77%)

Yes

9 (20.93%)

5 (19.23%)

Interstitial abnormalities

0.39 (− 0.10, 0.88)

0.168

No

40 (93.02%)

26 (100.00%)

Yes

3 (6.98%)

0 (0.00%)

Subpleural

0.46 (− 0.03, 0.95)

0.095

No

2 (4.65%)

5 (19.23%)

Yes

41 (95.35%)

21 (80.77%)

Upper lobe of the lung

0.05 (− 0.43, 0.54)

0.829

No

21 (48.84%)

12 (46.15%)

Yes

22 (51.16%)

14 (53.85%)

Middle lobe of the lung

0.05 (− 0.44, 0.54)

0.834

No

34 (79.07%)

20 (76.92%)

Yes

9 (20.93%)

6 (23.08%)

Upper lobe of the lung

0.17 (− 0.31, 0.66)

0.492

No

15 (34.88%)

7 (26.92%)

Yes

28 (65.12%)

19 (73.08%)

Parallel to the pleura

0.21 (− 0.28, 0.70)

0.401

No

22 (51.16%)

16 (61.54%)

Yes

21 (48.84%)

10 (38.46%)

Vascular thickening shadowing

0.33 (− 0.16, 0.82)

0.177

No

33 (76.74%)

16 (61.54%)

Yes

10 (23.26%)

10 (38.46%)

  1. Using the Fisher exact test method, p < 0.05 was considered to indicate a statistically significant difference