Table 4: The bilateral differences of the starting landmarks of the facial lines in rectangular coordinates (mm).
dx = xdeviated -xopposite ; dy =ydeviated -yopposite ; dz = zdeviated - zopposite
| | Presurgical | Postsurgical | |
| | Mean | SD | Mean | SD | p |
Golat | dx | -3.36 | 3.69 | -2.74 | 7.74 | 0.806 |
| dy | -0.21 | 5.87 | 4.72 | 13.70 | 0.219 |
| dz | 0.63 | 2.65 | 4.13 | 4.13 | 0.190 |
Gopost | dx | -0.21 | 5.87 | 4.72 | 13.70 | 0.219 |
| dy | -2.03 | 6.35 | 0.66 | 6.32 | 0.186 |
| dz | 1.39 | 3.27 | 1.31 | 5.15 | 0.965 |
Goinf | dx | -5.14 | 6.65 | -3.38 | 5.94 | 0.265 |
| dy | -0.72 | 6.72 | 1.81 | 4.79 | 0.214 |
| dz | 0.52 | 2.06 | 1.90 | 1.66 | 0.079 |