Table 1. Epidemiological characteristics of children and adolescents with SARS-CoV-2 infection in a Brazilian private hospital (n=1303).

Characteristics		n	%
Age, years (median, IQR)		13.0 (7.0–17.0)
	0–5	273	21.0
	6–11	275	21.1
	≥12	755	57.9
Male sex		642	49.3
Indication for testing*
	Signs and symptoms of infection	1203	92.3
	Contact with a case of COVID-19	815	62.5
	Possible contact with COVID-19	117	9.0
	Other	13	1.0
Time from symptom onset to test, days		3.0±2.5
	0–3 days	836	64.2
	≥4 days	361	27.7
Comorbidities		122	9.4
	Asthma	81	6.2
	Diabetes	2	0.2
	Obesity	6	0.5
	Neurologic disorders†	14	1.1
	Cardiac diseases‡	12	0.9
	Genetic syndrome§	7	0.5
	Immunosuppression//	6	0.5

Results are presented in n (%).

^*indication for testing was defined by the attending physician;

^†Neurologic disorders: epilepsy n=9; cerebral palsy n=2; autism n=2; Miastenia gravis n=1;

^‡Cardiac diseases: congenital heart disease n=11; coronary aneurism post Kawasaki disease n=1;

^§Genetic syndrome: Down syndrome n=3; other rare syndromes n=4;

^//Immunosuppression: Chron disease n=3; cyclic neutropenia n=1; chemotherapy n=1; juvenile idiopathic arthritis n=1.