Subgroup analysis assessing the ability of high-resolution manometry using OGD as the reference standard
| Automated localisation | Physician 1 | Physician 2 | |
| Sensitivity | 17.4% | 37.0% | 37.0% |
| Specificity | 99.0% | 84.6% | 84.6% |
| Positive likelihood ratio | 18.1 | 2.4 | 2.4 |
| Negative likelihood ratio | 0.83 | 0.75 | 0.75 |
| Positive predictive value | 88.9% | 51.5% | 51.5% |
| Negative predictive value | 73.1% | 75.2% | 75.2% |