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Table 5 Prevalence of P. falciparum and P. vivax gametocytes among isolates collected in dry and wet seasons

From: Simultaneous detection of Plasmodium vivax and Plasmodium falciparum gametocytes in clinical isolates by multiplex-nested RT-PCR

Diagnostic method

Dry season

Wet season

p value

 

n

% positive*

n

% positive*

 

Microscopy

     

P. falciparum gametocyte

3

6.4

3

7.7

0.81

P. vivax gametocyte

17

34

13

32.5

0.88

Single nested RT-PCR

     

P. falciparum gametocyte

40

85.1

35

89.7

0.52

P. vivax gametocyte

46

92

36

90

0.74

Multiplex nested RT-PCR

     

P. falciparum gametocyte

42

89.4

35

89.7

0.95

P. vivax gametocyte

46

92

36

90

0.74

18S rRNA PCR

     

P. falciparum

47

−

39

−

−

P. vivax

50

−

40

−

−

  1. * total number of positives for a given species by 18S rRNA PCR.
  2. - denotes not applicable.