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Table 5 Malaria incidence rate (per 1,000 person-semesters at risk) per semester and age group

From: Rapid decrease of malaria morbidity following the introduction of community-based monitoring in a rural area of central Vietnam

Age group (years)

Jul-Dec.04

Incidence

[95%CI]

Jan-Jun.05

Incidence

[95%CI]

Jul-Dec.05

Incidence

[95%CI]

Jan-Jun.06

Incidence

[95%CI]

Jul-Dec.06

Incidence

[95%CI]

≤ 9

38.4

[18.2; 58.6]

16.9

[3.7; 30.0]

38.0

[4.7; 71.3]

20.3

[0.0; 43.4]

21.6

[0.0; 44.8]

10–19

20.7

[0.0; 42.1]

9.6

[2.2; 17.1]

22.4

[7.0; 37.7]

10.9

[0.0; 22.7]

12.9

[2.5; 23.3]

20–29

23.3

[2.6;44.0]

7.0

[1.0; 13.0]

13.7

[3.0; 24.3]

4.6

[0.0; 9.5]

9.0

[0.0; 20.1]

30–39

20.9

[2.7; 38.9]

5.9

[1.6;10.1]

20.9

[5.6; 36.3]

5.7

[0.5; 10.8]

8.1

[0.0; 16.9]

40–49

24.7

[0.0; 51.2]

5.0

[0.7;9.3]

13.9

[2.9; 25.0]

3.9

[0.0; 9.4]

8.8

[2.3; 15.2]

≥ 50

12.5

[0.0; 25.3]

2.8

[0.0; 6.2]

6.4

[0.0; 13.4]

0.9

[0.0; 3.0]

2.6

[0.0; 7.2]

Total

25.7

[7.9;43.6]

9.5

[3.9; 15.1]

22.4

[7.1; 37.8]

9.9

[0.0; 19.7]

12.3

[0.4; 24.2]