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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% |
