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. 2011 Jan 15;2(2):178–184.

Table 3.

Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of PCR specific genes with histology as gold standard.

Value 16S rRNA gene glmM gene cagA gene
Sensitivity 100% 92.9% 92.9%
Specificity 68% 78.6% 78.6%
PPV 59.1% 68.4% 68.4%
NPV 100% 95.7% 95.7%