Table 2. Comparison between histopathological approach and various PCR methods used for the diagnosis of H. pylori infections in this study.
| PCR methods | Histopathological technique | p-value | Odds ratio | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | ||
|---|---|---|---|---|---|---|---|---|---|
| Positive | Negative | ||||||||
| 16S rRNA | Positive | 48 | 40 | <0.05 | 3.207 | 46.6 | 78.6 | 54.5 | 72.8 |
| Negative | 55 | 147 | |||||||
| glmM | Positive | 25 | 14 | <0.05 | 3.961 | 24.3 | 92.5 | 64.1 | 68.9 |
| Negative | 78 | 173 | |||||||
| ureA | Positive | 24 | 32 | 0.201 | 1.472 | 23.3 | 82.3 | 42.9 | 66.2 |
| Negative | 79 | 155 | |||||||
| Total | 103 | 187 | |||||||