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Ear structure measurements
| Structure | Mean (mm) | Median (mm) | SD (mm) | Max (mm) | Min (mm) | UTI (ears) |
|---|---|---|---|---|---|---|
| Mastoid | ||||||
| AP-size | 10.6 | 11.0 | 3.2 | 19.4 | 5.0 | 21 |
| LM-size | 7.9 | 7.0 | 6.2 | 40.0 | 1.2 | 22 |
| Vestibulum | ||||||
| Length | 4.7 | 4.7 | 1.0 | 9.0 | 2.9 | 0 |
| Width | 2.3 | 2.3 | 0.6 | 5.0 | 1.0 | 1.0 |
| VA diametera | ||||||
| 0.7 | 0.6 | 0.3 | 1.9 | 0.1 | 11 | |
| IAC | ||||||
| 3.6 | 3.5 | 0.9 | 7.0 | 2.0 | 0 | |
Number of ears: 84
aonly digital scans (n = 58)
AP anterior-posterior, LM lateral-medial, VA vestibular aqueduct, IAC internal auditory canal, SD standard deviation, UTI unable to identify
