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Table 2 Identification of symptomatic malaria cases: comparison among the field light microscopy, the Optimal-IT RDT and the nested PCR.

From: Towards a precise test for malaria diagnosis in the Brazilian Amazon: comparison among field microscopy, a rapid diagnostic test, nested PCR, and a computational expert system based on artificial neural networks

Microscopy Optimal-IT® Nested PCR
  Pf Pnf Negative Pf Pv Pf + Pv Negative
Negative 3 10 157 9 23 0 138
P. falciparum 45 0 0 44 0 1 0
P. vivax 0 84 0 0 84 0 0
P. vivax + P. falciparum 8 4 0 0 0 12 0
Total 56 98 157 53 107 13 138
  1. Pf = Plasmodium falciparum, Pv = Plasmodium vivax, Pnf = Non falciparum Plasmodium.