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Table 6 Diagnostic 2 × 2 table. Sensitivity, specificity, NPV and PPV of the Mo-STNPCR method were determined by comparing to combined LM and IVC results

From: A highly sensitive modified nested PCR to enhance case detection in leishmaniasis

 

Combined laboratory results (LM and IVC)

  

Positive

Negative

Total count

Mo-STNPCR method

Positive

35

5

40

PPV = (35/40) × 100% = 87.5%

Negative

0

30

30

NPV = (30/30) × 100% = 100.0%

Total Count

35

35

70

 
 

Sensitivity = (35/35) × 100% = 100.0%

Specificity = (30/35) × 100% = 85.7%

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