HRM identification of HH in comparison with diagnosis of HH by barium oesophagram or OGD
| Automated localisation | Physician 1 | Physician 2 | |
| Sensitivity | 11.4% | 30.0% | 28.6% |
| Specificity | 99.1% | 82.9% | 83.8% |
| Positive likelihood ratio | 12.7 | 1.8 | 1.8 |
| Negative likelihood ratio | 0.89 | 0.84 | 0.85 |
| Positive predictive value | 88.9% | 52.5% | 52.6% |
| Negative predictive value | 63.9% | 65.3% | 65.0% |
HH, hiatal hernia; HRM, high-resolution manometry.