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SI: supero-inferior diameter; HI: the maximum transverse diameter below the notch; H2: the maximum transverse diameter above the notch; SD: standard deviation
| Diameter | Right range, mm | Left range, mm | Right mean ± SD, mm | Left mean ± SD, mm |
| SI | 30-40 | 30-40 | 33.4 ± 3.0 | 33.9 ± 3.6 |
| H1 | 20-36 | 20-30 | 24.1 ± 3.2 | 23.1 ± 2.9 |
| H2 | 12-20 | 10-20 | 15.4 ± 2.0 | 15.3 ± 2.2 |
