Tympanic bone measurements (unit: mm)
| Variable | Mean±SD (min-max) |
|---|---|
| Anterior-superior wall thickness | 1.92±0.60 (0.77-4.49) |
| Anterior-inferior wall thickness | 2.54±0.74 (0.92-5.80) |
| Inferior wall thickness | 9.16±2.20 (3.49-16.90) |
| Canal length | 15.26±2.37 (1.45-24.10) |
| Tympanomandibular distance | 2.79±0.99 (0.58-6.71) |
(SD: standard deviation)