Table 2 Data of measurements on mandibular ramus morphology
Measurement | Sex | Mean ± SD | Min~Max | P value |
|---|---|---|---|---|
Mandibular angle (°) | M | 125.1 ± 4.9 | 112.3~134.9 | 0.240 |
F | 124.1 ± 4.9 | 108.3~134.0 | ||
ML–MF (mm) | M | 10.1 ± 2.3 | 4.8~15.9 | 0.385 |
F | 9.8 ± 2.1 | 5.4~15.7 | ||
AP (mm) | M | 34.6 ± 2.4 | 29.4~39.6 | 0.014* |
F | 31.5 ± 2.4 | 29.2~39.8 | ||
ML–internal line (mm) | M | 13.9 ± 1.9 | 10.7~19.4 | 0.424 |
F | 13.6 ± 2.1 | 8.6~17.7 | ||
ML–external line (mm) | M | 18.2 ± 2.4 | 14.3~25.6 | 0.894 |
F | 18.3 ± 2.2 | 12.8~24.1 | ||
ML–posterior line (mm) | M | 18.2 ± 1.7 | 15.2~21.7 | 0.000* |
F | 17.0 ± 1.8 | 12.1~21.4 | ||
ML–SN (mm) | M | 15.7 ± 2.7 | 11.1~23.1 | 0.768 |
F | 15.5 ± 2.3 | 11.7~22.9 | ||
ML–second molar (mm) | M | 31.0 ± 3.3 | 21.6~36.3 | 0.001* |
F | 28.1 ± 2.9 | 24.4~37.4 | ||
ML–lower border (mm) | M | 35.3 ± 3.3 | 27.0~42.8 | 0.000* |
F | 30.5 ± 2.8 | 25.2~38.5 | ||
ML–Go (mm) | M | 33.8 ± 3.2 | 24.5~41.9 | 0.000* |
F | 28.9 ± 3.0 | 22.7~35.9 |