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Sensitivity and specificity of VS-SENSE test with pH less than 4.5 or more as discrimatie factors. Sensitivity: 82.2%, Specificity: 97.8%, Positive predictive value: 97.4%, and Negative predictive value: 84.6%.
| Case group (pH ≥ 4.5) | Control group (pH < 4.5) | Total | |
|---|---|---|---|
| Positive | 37 (82.2) | 1 (2.2) | 38 |
| Negative | 8 (17.8) | 44 (97.8) | 52 |
|
| |||
| Total | 45 | 45 | 90 |
