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Table 2 Seasonal changes of different surveillance methods

From: Active case surveillance, passive case surveillance and asymptomatic malaria parasite screening illustrate different age distribution, spatial clustering and seasonality in western Kenya

Surveillance method †

Early season

Peak season

Late season

ACS (cases/1,000 population/year)

18.9 a

108.4 b

16.0 a

PCS (cases/1,000 population/year)

11.8 a

51.8 b

8.4 c

APS (prevalence rate %)

7.3 a

9.0 b

na

  1. †Same (different) letters following the numbers in the same row indicate insignificant (significant) difference tested by χ 2-test at 5% level. na = not available.
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Malaria Journal

ISSN: 1475-2875

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