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Table 3 Clinical features of influenza A/H1N1v infection according to age, co-morbidity and PICU admission among hospitalized children

From: Pandemic A/H1N1v influenza 2009 in hospitalized children: a multicenter Belgian survey

 

Clinical presentation

 

Pneumonia

 

Hypoxemia

 

Seizures

 

GI* manifestations

 
 

n (%)

 

n (%)

 

n (%)

 

n (%)

 

Global cohort (N = 215)

74 (34)

 

58 (27)

 

21 (10)

 

78 (36)

 

Age groups (months)

        

   < 3 months (n = 41)

7 (17)

p = 0.03

4 (10)

p = 0.01

1 (2)

p = 0.19

13 (32)

p = 0.74

   3-24 months (n = 59)

23 (39)

 

15 (25)

 

6 (10)

 

21 (36)

 

   > 24 months (n = 115)

44 (38)

 

39 (34)

 

14 (12)

 

44 (38)

 

Co-morbidity

        

   yes (n = 101)

32 (32)

p = 0.4

34 (34)

p = 0.03

10 (10)

p = 0.95

33 (33)

p = 0.3

   no (n = 114)

42 (37)

 

24 (21)

 

11 (10)

 

45 (39)

 

PICU admission

        

   yes (n = 21)

15 (71)

p < 0.001

18 (86)

p < 0.001

0 (0)

p = 0.2

5 (24)

p = 0.2

   no (n = 194)

59 (30)

 

40 (21)

 

21 (11)

 

73 (38)

 
  1. Legend:*GI = gastrointestinal manifestations, including nausea, vomiting and/or diarrhea