OC-048 Effect of study duration on test sensitivity and specificity
| Diagnostic Parameter | Threshold Values | Consistency 1 day | 2 day | 3 day |
|---|---|---|---|---|
| AET | >5.6%/study (pH < 4) | 0.57 | 0.67 | 0.82 |
| >5.6%/study (pH < 5) | 0.69 | 0.82 | 0.82 | |
| SI | >50% (pH < 4) | 0.69 | 0.78 | 0.88 |
| >50% (pH < 5) | 0.69 | 0.77 | 0.87 | |
| SAP | >95% (pH < 4) | 0.56 | 0.69 | 0.82 |
| >95% (pH < 5) | 0.53 | 0.60 | 0.77 |