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Table 3 Concordance of diagnostic results between microscopy and RDT, and confirmation by qPCR targeting Plasmodium falciparum 18S rRNA

From: No evidence of false-negative Plasmodium falciparum rapid diagnostic results in Monrovia, Liberia

 

All

Non-pregnant

Pregnant

 

Microscopy

Microscopy

Microscopy

 

Neg

Pos

Neg

Pos

Neg

Pos

 

n = 831

n = 207

n = 751

n = 200

n = 80

n = 7

RDT

n

%

n

%

n

%

n

%

n

%

n

%

Neg

825

99

22

11

745

99

20

10

80

100

2

29

Pos

6

1

185

89

6

1

180

90

0

0

5

71

 

PCR results

PCR results

PCR results

 

Neg

Pos

Neg

Pos

Neg

Pos

 

n = 235

n = 86

n = 185

n = 77

n = 50

n = 9

 

n

%

n

%

n

%

n

%

n

%

n

%

RDT−/MIC−

210

89

14

16

161

87

9

12

49

98

5

56

RDT−/MIC+ 

16

7

0

0

16

9

0

0

0

0

0

0

RDT+/MIC−

3

1

2

2

3

2

2

3

0

0

0

0

RDT+/MIC+ 

6

3

70

81

5

3

66

86

1

2

4

44