- Visualization score for each anatomical landmarks in 30 volunteers.
| Area | Visualization score | |||
|---|---|---|---|---|
| 1 (<70%) | 2 (70-90%) | 3 (>90%) | Average score | |
| Upperesophagus | 0 | 7 (23.3%) | 23 (76.7%) | 2.76±0.43 |
| Middle esophagus | 0 | 3 (10.0%) | 27 (90.0%) | 2.90±0.31 |
| Lower esophagus | 0 | 5 (16.7%) | 25 (83.3%) | 2.83±0.38 |
| Cardia | 0 | 0 (0%) | 30 (100%) | 3.0 |
| Fundus | 0 | 6 (20.0%) | 24 (80.0%) | 2.80±0.41 |
| Body | 0 | 25 (83.3%) | 5 (16.7%) | 2.17±0.38 |
| Angulus | 0 | 4 (13.3%) | 26 (86.7%) | 2.87±0.35 |
| Antrum | 0 | 2 (6.7%) | 28 (93.3%) | 2.93±0.25 |
| Pylorus | 0 | 2 (6.7%) | 28 (93.3%) | 2.93±0.25 |
| Duodenal bulb | 0 | 0 (0%) | 30 (100%) | 3.0 |