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Table 2 Diagnostic performance of the different tools

From: Presence of additional Plasmodium vivax malaria in Duffy negative individuals from Southwestern Nigeria

  PCR Sensitivity (%) Specificity (%) PPV (%) NPV (%) Kappa’s test P value
  Positive Negative
Microscopy
 Positive 36 17 24.8 82.5 67.9 42.3 0.063 0.18
 Negative 109 80       
RDT
 Positive 123 64 84.8 34.0 65.8 60.0 0.203 0.01
 Negative 22 33