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Table 5 Comparative performance evaluation of fecal sample processing protocols and manual and automated diagnosis of intestinal parasites (n = 73)

From: Laboratory validation of the automated diagnosis of intestinal parasites via fecal sample processing for the recovery of intestinal parasites through the dissolved air flotation technique

Results

TF-Test

MANUAL

TF-Test

DAPI

DAF

DAPI

Gold standard*

True positive

51

54

59

63

True negative

10

10

10

10

False negative

12

9

4

0

False positive

0

0

0

0

Sensitivity

81

86

94

 

Specificity

100

100

100

 

Accuracy

84%

88%

95%

 

Kappa

0.54

0.62

0.80

 

Interpretation

Moderate

Substantial

Substantial

 
  1. *Gold standard = TF-test and DAF-DAPI combined results