Table 3.
Various angular parameters used for the determination of normal vertical positions of S point.
| Variables | Gender | Values Mean ± SD | Significance (P value) Males vs females |
|---|---|---|---|
| ∠Ba-S-Ptm (°) | Males | 63.28 ± 4.52 | 0.088NS |
| Females | 64.69 ± 4.28 | ||
| Total | 64.04 ± 4.43 | ||
|
| |||
| ∠Ba-S-PNS (°) | Males | 59.43 ± 2.98 | 0.677NS |
| Females | 59.68 ± 3.35 | ||
| Total | 59.56 ± 3.17 | ||
|
| |||
| ∠Ar-S-Ptm (°) | Males | 58.78 ± 3.53 | 0.089NS |
| Females | 59.89 ± 3.46 | ||
| Total | 59.38 ± 3.52 | ||
|
| |||
| ∠Ar-S-PNS (°) | Males | 54.00 ± 3.18 | 0.291NS |
| Females | 54.67 ± 3.54 | ||
| Total | 54.36 ± 3.38 | ||
|
| |||
| ∠S-Ptm-Ba (°) | Males | 69.63 ± 5.36 | 0.437NS |
| Females | 68.96 ± 3.77 | ||
| Total | 69.27 ± 4.56 | ||
|
| |||
| ∠S-Ptm-Ar (°) | Males | 60.04 ± 3.29 | 0.284NS |
| Females | 59.40 ± 3.13 | ||
| Total | 59.70 ± 3.21 | ||
|
| |||
| ∠S-PNS-Ba (°) | Males | 59.80 ± 2.87 | 0.811NS |
| Females | 59.65 ± 3.93 | ||
| Total | 59.72 ± 3.47 | ||
|
| |||
| ∠S-PNS-Ar (°) | Males | 48.51 ± 3.73 | 0.095NS |
| Females | 47.26 ± 4.21 | ||
| Total | 47.83 ± 4.03 | ||
|
| |||
| ∠S-Ba-Ptm (°) | Males | 47.08 ± 4.03 | 0.262NS |
| Females | 46.34 ± 3.08 | ||
| Total | 46.86 ± 3.55 | ||
|
| |||
| ∠S-Ar-Ptm (°) | Males | 61.11 ± 3.63 | 0.460NS |
| Females | 60.61 ± 3.52 | ||
| Total | 60.84 ± 3.56 | ||
|
| |||
| ∠S-Ba-PNS (°) | Males | 60.90 ± 2.81 | 0.659NS |
| Females | 60.65 ± 3.36 | ||
| Total | 60.76 ± 3.11 | ||
|
| |||
| ∠S-Ar-PNS (°) | Males | 77.55 ± 4.36 | 0.559NS |
| Females | 78.07 ± 5.03 | ||
| Total | 77.83 ± 4.72 | ||
Ba, basion; Ar, articulare; S, sella; Ptm, Pterygomaxillary fissure; PNS, posterior nasal spine. ∠ = angle, (°) = degree, SD = standard deviation, NS = nonsignificant.