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% |