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Table 2 Characteristics of patients included in the study

From: Economic burden of seasonal influenza B in France during winter 2010-2011

Number of patients per age group and percentage of the total number

Younger children

Older children

Adults

Elderly

All ages

0-4 yo

5-14 yo

1564 yo

≥65 yo

 

n

%

n

%

n

%

n

%

n

%

 

50

25%

91

45%

46

23%

14

7%

201

100%

Age (yo) mean ± SD

2.6 ± 1.3

9.3 ± 2.8

31.5 ± 13.7

72.1 ± 5.7

17.1 ± 19.7

Risk factors

2

4%

5

5%

5

11%

5

36%

17

8%

  Pregnancy

NA

 

NA

 

3

 

NA

 

3

 

  BMI > 30

0

 

1

 

0

 

0

 

1

 

  Chronic disease

2

 

4

 

2

 

5

 

13

 

Working age (>15 y)

-

-

-

-

40

87%

14

100%

54

27%

  Employed

-

-

-

-

31

78%

0

-

31

57%

Recovering at day 7 ± 2

37

74%

52

57%

20

43%

6

43%

115

57%

  1. NA = non applicable; yo = years old; BMI = body mass index.