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Table 4 Distribution of malaria and the diagnostic efficiency of three diagnostic methods (N = 437)

From: Additional burden of asymptomatic and sub-patent malaria infections during low transmission season in forested tribal villages in Chhattisgarh, India

Variable

Category

Total positivea n (%)

No. of cases with the following test results

RDT + Microscopy + PCR+

RDT + Microscopy − PCR+

RDT + Microscopy + PCR−

RDT − microscopy + PCR+

RDT − microscopy + PCR−

RDT – microscopy − PCR+

Positive cases

n

103 (23.6)

35

9

11

1

2

45

Presence of fever

Yes

23 (22.4)

5

5

4

1

0

8

No

80 (77.6)

30

4

7

0

2

37

Diagnostic efficiency of three diagnostic methods

Type of diagnostic methods

RDT

Microscopy

PCR

Diagnostic efficiency % (no of positives detected/total positives)

53.3% (55/103)

47.5% (49/103)

87.4% (91/103)

  1. aRDT positive with microscopy and PCR negative were considered as false positive and not included as a malaria positive case