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Table 4 Sensitivity of nPCR-saliva with respect to parasitaemia in the diagnosis of malaria

From: Detection of Plasmodium falciparum DNA in saliva samples stored at room temperature: potential for a non-invasive saliva-based diagnostic test for malaria

Parasitaemia/µl

n

Test characteristics

TP

FN

Sensitivity (%)a

Sensitivity (%)b

Submicroscopic

31

20

11

n/a

65

< 1000

7

6

1

86

86

1000–10,000

13

11

2

85

85

> 10,000–< 50,000

11

11

0

100

100

50,000–< 100,000

9

9

0

100

100

> 100,000

7

7

0

100

100

  1. TP true positive; FN false-negative
  2. aSensitivity of nPCR-saliva with TFM as reference standard
  3. bSensitivity of nPCR-saliva with nPCR-blood as reference standard
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Malaria Journal

ISSN: 1475-2875

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