Visibility grade of 30 vestibular aqueducts viewed by 2 readers on 45° oblique and axial reformats
| Visibility Grade | Observer 1 | Observer 1 | Observer 2 | Observer 2 |
|---|---|---|---|---|
| 45° Oblique | Axial | 45° Oblique | Axial | |
| 1 | 1 (3%) | 3 (10%) | 1 (3%) | 4 (13%) |
| 2 | 3 (10%) | 9 (30%) | 6 (20%) | 11 (37%) |
| 3 | 26 (87%) | 18 (60%) | 23 (77%) | 15 (15%) |