Table 1 Demographic and clinical characteristics of 133 patients, admitted to Bambino Gesù Children’s Hospital, Rome, Italy, during the influenza season 2012–2013, positive for FLUA and B by viral type and subtype

Sex

N (%)

N (%)

N (%)

N (%)

 Males

26 (19.55)

3 (2.26)

42 (31.58)

4 (3.01)

 Females

28 (21.05)

5 (3.76)

23 (17.29)

2 (1.50)

 Italian

49 (36.84)

8 (6.02)

52 (39.1)

5 (3.76)

 European

2 (1.50)

0

5 (3.76)

0

 Other

3 (2.26)

0

8 (6.01)

1 (0.75)

  < 1

27 (20.3)

2 (1.50)

10 (7.52)

1 (0.75)

 1–2

12 (9.02)

1 (0.75)

17 (12.79)

2 (1.50)

 3–5

10 (7.52)

1 (0.75)

22 (16.55)

2 (1.50)

 6–10

2 (1.50)

2 (1.50)

11 (8.28)

0

  > 11

3 (2.26)

2 (1.50)

5 (3.76)

1 (0.75)

 Fever >38 °C

37 (27.82)

4 (3.01)

27 (20.3)

4 (3.01)

 Fever <38 °C

17 (12.79)

4 (3.01)

38 (28.57)

2 (1.50)

 Apnea

7 (5.26)

0

2 (1.50)

0

 Respiratory simtomps

29 (21.80)

3 (2.26)

21 (15.79)

3 (2.26)

 Fever

31 (23.31)

7 (5.26)

39 (29.32)

4 (3.01)

 Otitis

2 (1.50)

0

3 (2.26)

0

 Laryngitis

1 (0.75)

0

1 (0.75)

0

 Pharingitis

1 (0.75)

0

2 (1.50)

0

 Bronchitis

4 (3.01)

0

5 (3.76)

1 (0.75)

 Bronchiolitis

7 (5.26)

1 (0.75)

1 (0.75)

1 (0.75)

 Bronchopneumonia

1 (0.75)

0

0

0

 Pneumonia

7 (5.26)

0

11 (8.28)

0

 Myositis

0

0

2 (1.50)

0

 Pertussis

0

0

1 (0.75)

0

 None

44 (33.08)

3 (2.26)

57 (42.86)

4 (3.01)

 Acquired

2 (1.50)

2 (1.50)

7 (5.26)

0

 Congenital

5 (3.76)

1 (0.75)

0 (0.00)

2 (1.50)

 Genetic

3 (2.26)

2 (1.50)

1 (0.75)

0

 Emergency

10 (7.52)

0

27 (20.30)

3 (2.26)

 Pediatrics

30 (22.56)

4 (3.01)

24 (18.05)

1 (0.75)

 Surgery

2 (1.50)

0

0

0

 ICU^a

3 (2.26)

1 (0.75)

1 (0.75)

1 (0.75)

 IIFU^b

10 (7.52)

2 (1.5)

13 (9.77)

1 (0.75)

 Median

5

5

3

3