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Table 3 Distribution of individuals blood donors according to exposure status and P . vivax subclinical infections in a cross-sectional study design, São Paulo State, Brazil, Aug 2008–Mar 2010

From: Detection of Plasmodium falciparum and Plasmodium vivax subclinical infection in non-endemic region: implications for blood transfusion and malaria epidemiology

 

Disease (+)

Disease (−)

Total

Prevalence*

Exposed (+)

7

493

500

1.40

Exposed (−)

18

590

608

2.96

Total

25

1,083

1,108

2.26

  1. *Cases per 100 population units.
  2. Prevalence ratio (95% CI) = 0.47 (0.2, 1.12).