## 3 Results
### Comparison of Preoperative 3D Measurements between Groups S and A
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline  & \multicolumn{3}{c}{**Symmetry**} & \multicolumn{3}{c}{**Asymmetry**} \\ \cline{2-7}
**Bilateral Variables** & \multicolumn{3}{c}{**\(\Delta\)S**} & \multicolumn{3}{c}{**\(\Delta\)A**} & \(p\) \\ \cline{2-7}  & & **Mean** & **SD** & **Mean** & **SD** & \\ \hline GF to FH & mm & 1.19 & 0.99 & 1.04 & 0.66 & 0.899 \\ \hline Co to MSP & mm & 1.89 & 0.96 & 2.62 & 1.88 & 0.255 \\ \hline Co to CP & mm & 1.89 & 1.27 & 2.72 & 2.26 & 0.527 \\ \hline Co to FHP & mm & 1.38 & 1.07 & 1.51 & 1.22 & 0.899 \\ \hline CoL to MSP & mm & 1.75 & 1.02 & 2.48 & 2.12 & 0.486 \\ \hline CoL to CP & mm & 2.06 & 1.54 & 3.65 & 2.65 & 0.064 \\ \hline CoL to FHP & mm & 1.56 & 1.41 & 2.64 & 1.66 & 0.056 \\ \hline CoM to MSP & mm & 1.43 & 0.85 & 2.36 & 1.46 & 0.058 \\ \hline CoM to CP & mm & 1.86 & 1.22 & 2.64 & 1.86 & 0.223 \\ \hline CoM to FHP & mm & 2.03 & 2.06 & 1.83 & 1.62 & 0.728 \\ \hline Con axis to MSP & \({}^{\circ}\) & 6.78 & 4.31 & 7.40 & 6.99 & 0.704 \\ \hline Con axis to CP & \({}^{\circ}\) & 4.73 & 3.84 & 5.84 & 6.90 & 0.658 \\ \hline Con axis to FH & \({}^{\circ}\) & 6.02 & 3.27 & 8.30 & 7.31 & 0.681 \\ \hline Ramus axis to MSP & \({}^{\circ}\) & 4.44 & 2.66 & 5.93 & 4.26 & 0.327 \\ \hline Ramus axis to CP & \({}^{\circ}\) & 4.11 & 2.93 & 3.80 & 1.90 & 0.704 \\ \hline Ramus axis to FH & \({}^{\circ}\) & 11.61 & 20.80 & 4.75 & 3.28 & 0.635 \\ \hline Md axis to MSP & \({}^{\circ}\) & 6.77 & 5.21 & 8.33 & 5.27 & 0.359 \\ \hline Md axis to CP & \({}^{\circ}\) & 6.17 & 4.55 & 5.89 & 3.82 & 0.924 \\ \hline Md axis to FH & \({}^{\circ}\) & 1.58 & 1.42 & 3.73 & 3.23 & 0.050 * \\ \hline \hline \end{tabular} \(\Delta\)S, the sum of the differences between the deviated-side and opposite-side absolute values of all patients in group S; AA, the sum of the differences between deviated-side and opposite-side absolute values of all patients in group A; SD, standard deviation; the Mann–Whitney U test was used for group comparison; \({}^{\star}p<0.05\); \({}^{\star\star}p<0.01\).  
\end{table} 
Table 4: _Cont._ \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multirow{2}{*}{**Deviated Side**} & \multicolumn{3}{c}{**Symmetry**} & \multicolumn{3}{c}{**Asymmetry**} & \multirow{2}{*}{\(p\)} \\ \cline{2-2} \cline{4-6}  & & **Mean** & **SD** & **Mean** & **SD** & \\ \hline \multicolumn{6}{c}{Maxilla} \\ \hline U3 to FHP & mm & 51.26 & 4.29 & 52.77 & 4.54 & 0.282 \\ \hline U6 to FHP & mm & 47.56 & 4.30 & 48.47 & 4.07 & 0.506 \\ \hline \hline \end{tabular}
\end{table} 
Table 5: Comparison of 3D preoperative (T0) measurements of bilateral variables between groups S and A (deviated side). \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multirow{2}{*}{**Opposite Side**} & \multicolumn{3}{c}{**Symmetry**} & \multicolumn{3}{c}{**Asymmetry**} & \multirow{2}{*}{\(p\)} \\ \cline{2-2} \cline{4-6}  & & **Mean** & **SD** & **Mean** & **SD** & \\ \hline \multicolumn{6}{c}{Maxilla} \\ \hline U3 to FHP & mm & 51.89 & 3.99 & 54.30 & 4.60 & 0.141 \\ \hline U6 to FHP & mm & 49.06 & 4.33 & 51.07 & 4.32 & 0.195 \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Comparison of 3D preoperative (T0) measurements of bilateral variables between groups S and A (opposite side).