Table 1 Clinical characteristics of MIS-C population hospitalized between March 2020 and July 2022 at Istituto Giannina Gaslini

Sex

n

% on total

n

% on total

n

% on total

n

% on total

n

%

Male

1

2,7

8

21,6

6

16,2

8

21,6

23

62,2

Female

0

0,0

8

21,6

3

8,1

3

8,1

14

37,8

Total

1

16

9

11

Hospital stay

n

25-75 centile

n

25-75 centile

n

25-75 centile

n

25-75 centile

Days

20

13,5

(11-19,5)

17

(15-19)

20

(16,5-23,5)

Symptoms upon hospitalization

n

% on same age group

n

% on same age group

n

% on same age group

n

% on same age group

n

%

Fever > 38 °C

1

100

15

93,8

9

100

11

100

36

97,3

Cough

0

0

1

6,3

1

11,1

2

18,2

4

10,8

Fatigue

1

100

9

56,3

7

77,8

6

54,5

23

62,2

Rhinitis

1

100

16

100,0

9

100

11

100

37

100,0

Nausea/vomiting

1

100

9

56,3

5

55,6

6

54,5

21

56,8

Abdominal pain

1

100

7

43,8

6

66,7

7

63,6

21

56,8

Hypotension

0

0

0

0,0

4

44,4

4

36,4

8

21,6

Respiratory distress

0

0

0

0,0

0

0

1

9,1

1

2,7

Feeding difficulties

0

0

7

43,8

4

44,4

4

36,4

15

40,5

Rash

1

100

12

75,0

7

77,8

3

27,3

23

62,2

Myalgia

0

0

2

12,5

2

22,2

1

9,1

5

13,5

Laboratory tests upon arrival

median

25th-75th centile

median

25th-75th centile

median

25th-75th centile

median

25th-75th centile

Leucocytes count/mmc

10,540

10,275

6683-11,805

10,690

6510-14,390

8400

5645-13,185

Lymphocytes count/mmc

3860

1945

1443-3280

1170

890-1640

680

400-1500

CRP (mg/dl)

15,1

9,62

6,87-16,2

7,1

4,24-13,4

19,4

16,1-22,2

D-dimer (ug/ml)

//

2,45

1,62-4,65

4,73

2,73-6,34

2,31

1,67-2,88

NT-pro BNP (pg/ml)

//

1479

1056-2684

1524

833-2024

806

266-7311

Therapy

n

% on same age group

n

% on same age group

n

% on same age group

n

% on same age group

Immunotherapy (steroids, immunoglobulin, anakinra)

1

100

15

93,8

9

100

11

100

Anticoagulants

1

100

15

93,8

8

88,9

10

90,9