Table 1 Baseline characteristics of the study group (N = 300).

From: COVID-19 infections in infants

Feature

Number

Age

Range

5 days–12 months

Median (IQR) (months)

4 (2; 8)

Sex

Male/female

169 (56)/131 (44)

Household contact with an infected family member

Yes

177 (59)

Confirmed other contact

Yes

2 (1)

Confirmed COVID-19 in a family member (data available for 173 patients)

Before the diagnosis established in the child

54 (31)

Diagnosis in the child established simultaneously

99 (57)

After the diagnosis established in the child

20 (12)

Duration to negative PCR testing for SARS-CoV-2 infection (data available for 28 patients)

Days, median (IQR)

18 (11; 21)

Hospitalization

Yes

282 (94)

Lasting one-day

46 (15)

Lasting over 24 h

236 (79)

Duration (days), Median (IQR)

5 (3; 8)

Duration of infection before admission

Days Median (IQR)

2 (1; 3)

International travel

(During 14 days before the onset of the disease)

6 (2)

Comorbidities including

Present

35 (12)

Congenital disabilities

7

Epilepsy

4

Prematurity

3

Atopic dermatitis

3

Bronchopulmonary dysplasia

3

Immunodeficiency

1

Wave of COVID-19 pandemic

(1st/2nd)

49 (16)/251 (84)

  1. Data are presented as Number (%), unless otherwise indicated.