Table 1 Common symptoms on admission of the 45 age-matched pediatric IA and COVID-19 patient pairs who were symptomatic at admission^a

Fever

31 (68.9)

10 (22.2)

1 (2.2)

3 (6.7)

0.02

10.00 (1.28, 78.12)

Cough

18 (40)

20 (44.4)

5 (11.1)

2 (4.4)

< 0.01

4.00 (1.50, 10.65)

Dry cough

6 (13.3)

10 (22.2)

8 (17.8)

21 (46.7)

0.81

1.25 (0.49, 3.17)

Wet cough

5 (11.1)

17 (37.8)

4 (8.9)

19 (42.2)

<  0.01

4.25 (1.43,12.63)

Nasal congestion

2 (4.4)

12 (26.7)

3 (6.7)

28 (62.2)

0.04

4.00 (1.13, 14.17)

Nausea or vomiting

1 (2.2)

11 (24.4)

2 (4.4)

31 (68.9)

0.03

5.50 (1.22, 24.81)