Table 2.
Comparison of measured parameters between male and female subjects using independent t-test
| Gender | Independent t test | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | Male | Female | 95% Confidence Interval of the Difference | ||||||||
| Mean Difference | Std. Error Difference | P value | |||||||||
| Mean | Standard Deviation | Mean | Standard Deviation | Mean | Standard Deviation | Lower | Upper | ||||
| GPC pathwayangle/coronal | 152.27 | 8.91 | 152.4 | 9.41 | 152.09 | 8.47 | 0.35 | 1.83 | 3.28 | 3.98 | 0.85 |
| Angles | |||||||||||
|
GPC pathway angle/sagittal |
160.30 | 10.65 | 157.83 | 11.83 | 162.76 | 8.78 | −4.94 | 2.13 | −9.16 | −0.71 | 0.022* |
| MMS–IF-GPF angle | 18.70 | 3.96 | 18.56 | 5.21 | 18.83 | 2.12 | −0.26 | 0.81 | −1.88 | 1.35 | 0.75 |
| GPC axis angle | 64.00 | 8.22 | 63.81 | 9.79 | 64.18 | 6.38 | −0.37 | 1.69 | −3.72 | 2.97 | 0.82 |
| Distances | |||||||||||
|
GPF-MMS distance (mm) |
14.74 | 1.38 | 15.05 | 1.43 | 14.44 | 1.26 | 0.62 | 0.28 | 0.07 | 1.16 | 0.027* |
| GPF(A)−1st molar distance (mm) | 8.23 | 2.75 | 8.00 | 3.03 | 8.46 | 2.45 | −0.46 | 0.56 | −1.58 | 0.65 | 0.41 |
| GPF(P)−1st molar distance (mm) | 13.15 | 2.61 | 12.95 | 2.76 | 13.35 | 2.47 | −0.40 | 0.53 | −1.46 | 0.66 | 0.46 |
| GPF(AP) dimension (mm) | 4.92 | 1.52 | 4.95 | 1.61 | 4.88 | 1.45 | 0.07 | 0.31 | −0.55 | 0.69 | 0.83 |
| MS dimensions | |||||||||||
| MS height (mm) | 38.83 | 5.37 | 40.39 | 6.12 | 37.28 | 3.97 | 3.12 | 1.05 | 1.03 | 5.21 | 0.004* |
| MS width (mm) | 38.74 | 4.23 | 39.68 | 4.31 | 37.81 | 3.98 | 1.87 | 0.85 | 0.19 | 3.56 | 0.029* |
| MS surface area (mm2) | 1517.97 | 335.14 | 1617.78 | 367.79 | 1418.17 | 267.24 | 199.61 | 65.62 | 69.32 | 329.9 | 0.003* |
GPC Greater Palatine Canal, GPF Greater Palatine Foramen, MMS Mid-Maxillary Suture, IF Incisive Foramen, MS Maxillary Sinus, GPF(A) Greater Palatine Foramen Anterior Border, GPF(P) Greater Palatine Foramen Posterior Border
*Significant difference (p ≤ 0.05)