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Table 2 Age-specific asexual Plasmodium spp. prevalence rates and densities.

From: Age-structured gametocyte allocation links immunity to epidemiology in malaria parasites

Study Site

age group

Trophozoite prevalence (%)

N

Mean trophozoite density (± CI95%)

Cameroon

0–5

66.4

42

3965

(2613–5317)

Rural

6–9

71

119

1726

(1199–2253)

 

10–15

69.5

104

1387

(879–1895)

 

15+

39.5

148

829

(500–1158)

Cameroon

5–10

NA

14

7600

(2720–12480)

Urban

11–14

 

25

8471

(4616–12326)

 

15–20

 

20

9721

(5103–14339)

 

21–25

 

19

5842

(2169–9515)

 

25+

 

17

5934

(2020–9848)

Kenya

1–4

89

63

1603

(968–2654)

 

5–9

94

83

654

(444–963)

 

10–14

90

88

188

(134–264)

  

Trophozoite Incidence (%)

  

Sri Lanka

    

P. vivax

0–5

10

753

NA

 

6–15

13.8

829

 
 

16–25

9.4

712

 
 

26–50

6.5

1080

 
 

50+

3.9

251

 

P. falciparum

0–5

7.4

753

 
 

6–15

20.1

829

 
 

16–25

17.4

712

 
 

26–50

12.8

1080

 
 

50+

7.6

251

 
  1. N is the number of individuals contributing to the calculation of mean trophozoite densities or, for the case of Sri Lanka, the incidence rates. NA is Not Available.