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Table 4 Relationship between PCR and expert laboratory microscopy with Plasmodium falciparum and Plasmodium vivax parasite densities of less than 100 parasites/μl.

From: Comparison of PCR and microscopy for the detection of asymptomatic malaria in a Plasmodium falciparum/vivax endemic area in Thailand

Expert Microscopy Resμlt

P. falciparum

P. vivax

PCR Positivea

PCR Negative

PCR Positivea

PCR Negative

Microscopy Positive

24

94

71

223

Microscopy Negative

96

8,225

251

7,949

  1. a Samples with parasite densities greater than 100/μl by microscopy are not included in this analysis.