Table 2.
Chest radiograph findings in pediatric patients with multisystem inflammatory syndrome in children (MIS-C) and coronavirus disease 2019 (COVID-19)
| MIS-C (n=11) | COVID-19 (n=16) | P-value | |
|---|---|---|---|
| Baseline chest radiograph normal, n (%) | 7 (64%) | 6 (38%) | 0.25 |
| Number of chest radiographs, mean (SD) | 6.3 (5.1) | 2.8 (2.6) | 0.03 |
| Day of most severe radiograph, mean (SD) | 4.5 (2.3) | 3.3 (3.6) | 0.34 |
| Severity score, mean (SD) | 3.6 (1.4) | 2.9 (2.4) | 0.39 |
| COVID-19 classification | |||
| Typical, n (%) | 2 (18%) | 4 (25%) | >0.99 |
| Indeterminate, n (%) | 0 (0%) | 8 (50%) | <0.01 |
| Atypical, n (%) | 9 (82%) | 1 (6%) | <0.01 |
| Negative, n (%) | 0 (0%) | 3 (19%) | 0.25 |
| Opacity, n (%) | |||
| Consolidation only, n (%) | 0 (0%) | 0 (0%) | >0.99 |
| Ground glass opacities only, n (%) | 2 (18%) | 8 (50%) | 0.12 |
| Both, n (%) | 8 (73%) | 5 (31%) | 0.05 |
| None, n (%) | 1 (9%) | 3 (19%) | 0.62 |
| Laterality of opacitiesa | |||
| Right only, n (%) | 0 (0%) | 0 (0%) | >0.99 |
| Left only, n (%) | 0 (0%) | 2 (15%) | 0.49 |
| Bilateral, n (%) | 10 (100%) | 11 (85%) | 0.49 |
| Distribution of opacitiesa | |||
| Peripheral, n (%) | 4 (40%) | 5 (38%) | >0.99 |
| Central, n (%) | 0 (0%) | 2 (15%) | 0.50 |
| Neither, n (%) | 6 (60%) | 6 (46%) | 0.70 |
| Predominance of opacitiesa | |||
| Upper zone, n (%) | 0 (0%) | 0 (0%) | >0.99 |
| Lower zone, n (%) | 10 (100%) | 5 (38%) | <0.01 |
| Neither, n (%) | 0 (0%) | 8 (62%) | <0.01 |
| Pleural effusion, n (%) | 9 (82%) | 0 (0%) | <0.01 |
Findings are based on the most severe radiograph. Bold values indicate statistical significance. SD standard deviation
an=13 for patients with COVID-19 and n=10 for patients with MIS-C; three patients with COVID-19 and one patient with MIS-C had no opacities by chest radiography