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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

CharacteristicsGroup AGroup CStandardize diff.p value
Ground-glass opacity0.31 (− 0.18, 0.80)0.230
No14 (32.56%)5 (19.23%)
Yes29 (67.44%)21 (80.77%)
Local patchy shadowing0.22 (− 0.27, 0.71)0.380
No27 (62.79%)19 (73.08%)
Yes16 (37.21%)7 (26.92%)
Bilateral patchy shadowing0.04 (− 0.44, 0.53)0.865
No34 (79.07%)21 (80.77%)
Yes9 (20.93%)5 (19.23%)
Interstitial abnormalities0.39 (− 0.10, 0.88)0.168
No40 (93.02%)26 (100.00%)
Yes3 (6.98%)0 (0.00%)
Subpleural0.46 (− 0.03, 0.95)0.095
No2 (4.65%)5 (19.23%)
Yes41 (95.35%)21 (80.77%)
Upper lobe of the lung0.05 (− 0.43, 0.54)0.829
No21 (48.84%)12 (46.15%)
Yes22 (51.16%)14 (53.85%)
Middle lobe of the lung0.05 (− 0.44, 0.54)0.834
No34 (79.07%)20 (76.92%)
Yes9 (20.93%)6 (23.08%)
Upper lobe of the lung0.17 (− 0.31, 0.66)0.492
No15 (34.88%)7 (26.92%)
Yes28 (65.12%)19 (73.08%)
Parallel to the pleura0.21 (− 0.28, 0.70)0.401
No22 (51.16%)16 (61.54%)
Yes21 (48.84%)10 (38.46%)
Vascular thickening shadowing0.33 (− 0.16, 0.82)0.177
No33 (76.74%)16 (61.54%)
Yes10 (23.26%)10 (38.46%)
  1. Using the Fisher exact test method, p < 0.05 was considered to indicate a statistically significant difference