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Table 1 Microscopy diagnosis and nested PCR detection of Plasmodium falciparum and P. vivax in blood, saliva and urine samples.

From: Comparative detection of Plasmodium vivax and Plasmodium falciparum DNA in saliva and urine samples from symptomatic malaria patients in a low endemic area

Method Specimen (n = 120) Result Nested PCR (blood) Total
    P. falciparum P. vivax P. falciparum + P. vivax Negative  
Microscopy Blood P. falciparum 41 0 9 0 50
   P. vivax 0 36 10 0 46
   P. falciparum+ P. vivax 0 0 4 0 4
   Negative 2 1 3 14 20
Nested PCR Saliva (in ethanol) P. falciparum 27 0 5 0 32
   P. vivax 0 32 5 0 37
   P. falciparum+ P. vivax 0 0 7 0 7
   Negative 16 5 9 14 44
  Saliva (on ice) P. falciparum 18 0 5 0 23
   P. vivax 0 12 5 0 17
   P. falciparum+ P. vivax 0 0 3 0 3
   Negative 25 25 13 14 77
  Saliva (all)* P. falciparum 31 0 6 0 37
   P. vivax 0 32 8 0 40
   P. falciparum+ P. vivax 0 0 8 0 8
   Negative 12 5 4 14 35
  Urine (in ethanol) P. falciparum 16 0 4 0 20
   P. vivax 0 8 2 0 10
   P. falciparum+ P. vivax 0 0 0 0 0
   Negative 27 29 20 14 90
  Urine (on ice) P. falciparum 8 0 2 0 10
   P. vivax 0 6 2 0 8
   P. falciparum+ P. vivax 0 0 0 0 0
   Negative 35 31 22 14 102
  Urine (all)* P. falciparum 19 0 6 0 25
   P. vivax 0 13 4 0 17
   P. falciparum+ P. vivax 0 0 0 0 0
   Negative 24 24 16 14 78
   Total 43 37 26 14 120
  1. * Positives from samples either kept on ice or preserved in ethanol.