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Table 3 True positivity rate of microscopy and RDT against PCR in the diagnosis of asymptomatic P. falciparum and P. vivax infections

From: Microscopic and molecular evidence of the presence of asymptomatic Plasmodium falciparum and Plasmodium vivax infections in an area with low, seasonal and unstable malaria transmission in Ethiopia

 

PCR results

Microscopy results

P. falciparum

P. vivax

Mixed

Negative

Total

P. falciparum

15*

1

3

2

21

P. vivax

1

12*

3

3

19

Mixed

0

2

5*

0

7

Negative

20

6

1

20*

47

Total

36

21

12

25

94

RDT results

P. falciparum

32**

0

4

15

51

P. vivax

1

17**

1

3

22

Mixed

0

0

6**

0

6

Negative

3

4

1

7**

15

Total

36

21

12

25

94

  1. *Number positive or negative by both microscopy and PCR, **Number positive or negative by both RDT and PCR.3