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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).