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Table 1 Distribution of individual blood donors according to exposure status and subclinical malarial 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 (+) 61 439 500 12.20
Exposed (−) 23 585 608 3.78
Total 84 1,024 1,108 7.58
  1. *In each group (exposed and non-exposed), 1 subject was infected by both parasites.
  2. **Cases per 100 population units.
  3. Prevalence ratio (95% CI) = 3.23 (2.03, 5.13).