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Table 2 Overall sensitivity, specificity, PPV, NPV and diagnostic accuracy of Schistosoma ICT test

From: Diagnostic accuracy of Schistosoma immunochromatographic IgG/IgM rapid test in the detection of schistosomiasis in Zambia

 

Schistosoma ICT test

Total

Microscopy test (gold standard)

Positive

Negative

 

Positive

42

0

42

Negative

263

125

388

Total

305

125

430

Sensitivity (95%CI)

100.0%

(91.6, 100.0)

 

Specificity (95%CI)

32.2%

(27.6, 37.1)

 

Positive predictive value (95%CI)

13.8%

(10.1, 18.1)

 

Negative predictive value (95%CI)

100.0%

(97.1, 100.0)

 

Diagnostic accuracy (AUC) (95%CI)

0.57

(0.52, 0.62)