All (N=56) Without respiratory sequalae (N=35) With respiratory sequalae (N=21)
p-value
Age (years), mean ± SD 10.7±2.5 10.4±2.3 11.3±2.7 0.19
Symptoms during COVID-19 infection, n(%) Cough Fever Rhinitis Sore throat Dyspnea Fatigue 35 (62.5) 35 (62.5) 28 (50) 14 (25) 3 (5.4) 2 (3.6) 20 (57.1) 20 (57.1) 16 (45.7) 10 (28.6) 1 (2.9) 0 (0) 15 (71.4) 15 (71.4) 12 (57.1) 4 (19.1) 2 (9.5) 2 (9.5) 0.29 0.29 0.58 0.53 0.55 0.14
Overweight or obesity, n (%) 15 (26.8) 10 (28.6) 5 (23.8) 0.70
History of atopy 1 (1.8) 0 (0) 1 (4.8) 0.38
Diagnosis COVID-19 infection, n (%) Mild/URI Moderate/Pneumonia
0.20
43 (76.8) 13 (23.2) 29 (82.9) 6 (17.1) 14 (66.7) 7 (33.3)
SpO2 (%), mean ± SD 98.6±1 98.5 ±1 98.9±1 0.11
Pulmonary function, mean ± SD FEV1 z-score FVC z-score FEV1/FVC (%) z-score 0.53±1.18 0.61±1.21 -0.08±1.09 0.88±1.11 0.85±1.12 0.05±0.87 -0.06±1.18 0.20±1.48 -0.30±1.38 0.003 0.052 0.25
Time since the last COVID-19 infection (days), mean ± SD 98.4±26.6 96.2±26.7 102±26.9 0.45
Pulmonary function impairment on spirometry, n (%) Low FEV1/FVC Isolated Low FEV1 Isolated Low FVC 10 (17.9) 6 (10.7) 1 (1.8) 3 (5.4) - - - - 10 (41.6) 6 (28.6) 1 (4.8) 3 (14.3)
N/A