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Table 4 Age contribution of cases in the periods 1997–98 and 2000–02 (both sexes)

From: Incidence of human brucellosis in a rural area in Western Greece after the implementation of a vaccination programme against animal brucellosis

 

1997–1998

2000–2002

Age groups

Cumulative frequency

Cumulative percent (%)

Cumulative frequency

Cumulative percent (%)

0–9

6

5

1

3

0–19

17

14

3

10

0–29

35

28

7

23

0–39

49

40

9

30

0–49

67

54

17

57

0–59

84

68

21

70

0–69

105

85

25

83

0–80

123

100

30

100

p >0.05 (Kolmogorov-Smirnov test)

    
  1. * Poisson regression ** before vaccination *** after vaccination
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BMC Public Health

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