Table 3 Radiographic features by age group
From: Radiographic patterns and severity scoring of COVID-19 pneumonia in children: a retrospective study
Variable (n, %) | 0– < 5 years N = 40 | 5– < 9 years N = 29 | 9–18 years N = 37 | Total N = 106 | p-value |
|---|---|---|---|---|---|
Density category | |||||
Ground-glass opacity | 3 (7.5%) | 4 (13.8%) | 19 (51.4%) | 26 (24.5%) | < 0.001* |
Patchy opacity | 1 (2.5%) | 1 (3.5%) | 2 (5.4%) | 4 (3.8%) | 0.832 |
Peribronchial thickening | 25 (62.5%) | 19 (65.5%) | 10 (27%) | 54 (51%) | 0.001* |
Reticulonodular infiltration | 2 (5%) | 1 (3.4%) | 0 (0%) | 3 (2.8%) | 0.49 |
Mixed | 9 (22.5%) | 4 (13.8%) | 6 (16.2%) | 19 (17.9%) | 0.613 |
Lung involvement | |||||
Peripheral zone | 0 (0%) | 2 (6.9%) | 9 (24.3%) | 11 (10.4%) | < 0.001* |
Perihilar zone | 6 (15%) | 3 (10.3%) | 2 (5.4%) | 11 (10.4%) | 0.478 |
Neither peripheral nor perihilar | 34 (85%) | 24 (82.8%) | 26 (70.3%) | 84 (79.2%) | 0.242 |
CXR reporting (N = 106) | |||||
Typical | 5 (12.5%) | 1 (3.4%) | 7 (18.9%) | 13 (12.3%) | 0.164 |
Indeterminate | 35 (87.5%) | 27 (93.2%) | 30 (81.1%) | 92 (86.8%) | 0.393 |
Atypical | 0 (0%) | 1 (3.4%) | 0 (0%) | 1 (0.9%) | 0.274 |
Severity score of abnormal CXR images | 0.231 | ||||
Mild (score, 1–2), n (%) | 28 (70%) | 23 (79.3%) | 30 (81.1%) | 81 (76.4%) | |
Moderate (score, 3–4), n (%) | 8 (20%) | 6 (20.7%) | 7 (18.9%) | 21 (19.8%) | |
Severe (score, 5–6), n (%) | 4 (10%) | 0 (0%) | 0 (0%) | 4 (3.8%) | |