Table 2.
Comparison of the means and standard deviations between men and women in the control group.
| Variable | Males (n = 89) |
Females (n = 36) |
P-value | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Condyle length (mm) | 17.41 | 3.26 | 18.04 | 2.95 | 0.16 |
| Coronoid length (mm) | 13.56 | 3.14 | 12.43 | 2.85 | 0.01 |
| Ramus height (mm) | 48.19 | 5.34 | 41.91 | 3.55 | 0.0000 |
| Total ramus height (mm) | 60.20 | 5.48 | 54.03 | 4.17 | 0.0000 |
| Ramal width (mm) | 29.39 | 3.35 | 28.40 | 3.77 | 0.04 |
| Mandibular body length (mm) | 89.23 | 7.73 | 87.86 | 6.89 | 0.19 |
| Sigmoid notch depth (mm) | 14.01 | 2.36 | 13.75 | 2.14 | 0.42 |
| Posterior ramus notch depth (mm) | 2.70 | 0.87 | 3.43 | 0.92 | 0.0000 |
| Anterior ramus notch depth (mm) | 3.19 | 1.93 | 4.01 | 2.26 | 0.0044 |
| Antegonial notch depth (mm) | 1.94 | 1.11 | 1.76 | 0.71 | 0.21 |
| Third molar width (mm) | 11.07 | 0.87 | 10.99 | 1.08 | 0.56 |
| Retromolar space (mm) | 11.81 | 3.12 | 8.21 | 3.33 | 0.0000 |
| Retromolar space/third molar width ratio | 1.07 | 0.30 | 0.75 | 0.30 | 0.0000 |
| Angle between condyle and coronoid process (deg) | 40.23 | 7.67 | 38.71 | 9.97 | 0.20 |
| Gonial angle (deg) | 122.67 | 7.67 | 124.61 | 6.17 | 0.06 |
| Inclination of lower posterior teeth (deg) | 76.97 | 6.36 | 92.45 | 5.28 | 0.0000 |
| Angle of impaction (deg) | 66.67 | 9.62 | 86.08 | 8.62 | 0.0000 |
n = number of subjects.