Table 5.
The comparison between Yemeni males and females
| Variables | Yemeni males | Yemeni females | Significance | ||
|---|---|---|---|---|---|
|
|
|
||||
| Mean | SD | Mean | SD | ||
| Skeletal relationship | |||||
| Point A- N perpendicular (mm) | 2.1 | 1.9 | 1.9 | 1.5 | NS |
| Pog - N perpendicular (mm) | -5.0 | 4.1 | - 3.7 | 3.4 | NS |
| F.MPA (°) | 27.3 | 4.4 | 27.7 | 4.3 | NS |
| F.A.A (°) | 89.2 | 3.8 | 88.8 | 3.8 | NS |
| M.F.L (mm) | 103.9 | 7.4 | 96.7 | 7.6 | *** |
| Mand.L (mm) | 135.2 | 6.0 | 124.8 | 6.7 | *** |
| L.F.H (mm) | 76.9 | 5.9 | 70.5 | 5.8 | *** |
| Dental relationship | |||||
| Ui- point A (mm) | 6.5 | 6.3 | 6.1 | 1.8 | NS |
| Li- A-Pog (mm) | 4.4 | 2.1 | 4.0 | 2.2 | NS |
| Li- MP.A (°) | 96.4 | 6.6 | 93.1 | 5.0 | ** |
| Ui- Pp (mm) | 32.8 | 3.6 | 31.0 | 3.5 | * |
| Um- Pp (mm) | 28.3 | 3.0 | 25.9 | 2.7 | *** |
| Li- Mp (mm) | 49.4 | 3.9 | 44.2 | 4.1 | *** |
| Lm- Mp (mm) | 37.4 | 3.8 | 33.4 | 3.9 | *** |
| Soft tissue relationship | |||||
| Nasolabial angle (°) | 104.5 | 7.2 | 103.6 | 8.2 | NS |
| Ls to Sn-Pog’ (mm) | 5.3 | 2.2 | 3.6 | 1.6 | *** |
| Li to Sn-Pog’ (mm) | 4.2 | 2.0 | 3.3 | 1.9 | * |
| M.L.S (mm) | 6.0 | 1.4 | 5.0 | 1.4 | *** |
| Point A- Sn (mm) | 18.4 | 2.8 | 16.0 | 2.1 | *** |
| IS- U lip (mm) | 12.7 | 2.6 | 9.9 | 2.0 | *** |
| Ii- L lip (mm) | 15.0 | 2.4 | 12.6 | 2.3 | *** |
| Pog- Pog’ (mm) | 13.1 | 2.8 | 11.6 | 2.4 | ** |
| Z angle (°) | 75.3 | 7.4 | 72.8 | 6.9 | NS |
*P=0.05, **P=0.01, ***P=0.001, NS: Not significant