Table 5.
Sensitivity of pepsin using different reflux testing as a gold standard.
| Sensitivity of Pepsin | Specificity of Pepsin | |
|---|---|---|
| If Abnormal EGD | 67% | 59% |
| If Abnormal pH probe | 45% | 56% |
| If Abnormal MII | 71% | 60% |
| If Any Abnormal Test (pH/MI/EGD) | 57% | 65% |
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