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. 2015 Mar 7;21(9):2622–2628. doi: 10.3748/wjg.v21.i9.2622

Table 2.

Diagnostic performance parameters of the microcapillary culture method, classical culture, histopathologic examination and rapid urease test

H. pylori (+) reference H. pylori (-) control
MCM1
+ 25 5
- 1 21
Total 26 26
CC2
+ 14 -
- 12 26
Total 26 26
HE3 and CLO4 test
+ 17 -
- 9 26
Total 26 26
1

Diagnostic performance parameters of microcapillary culture method (MCM): Sensitivity: 96%, specificity: 80%, positive predictive value (PPV): 83%, negative predictive value (NPV): 95%, kappa: 0.76;

2

Diagnostic performance parameters of classical culture (CC): Sensitivity: 54%, specificity: 100%, PPV: 100%, NPV: 68%, kappa: 0.54;

3

Diagnostic performance parameters of histopathologic examination (HE): Sensitivity: 65%, specificity: 100%, PPV: 100%, NPV: 74%, kappa: 0.64;

4

Diagnostic performance parameters of rapid urease (CLO) test: Sensitivity: 65%, specificity: 100%, PPV: 100%, NPV: 74%, kappa: 0.64. H. pylori: Helicobacter pylori.