Table 1 Comparison of mandibular and lower facial soft tissue measurements between deviated (Dev) and non-deviated (N-Dev) sides before (T1) and 1 year after (T2) surgery.

Ramal length

61.4 ± 5.9

63.2 ± 5.5

−1.8 ± 3.6

0.001

57.2 ± 11.1

57.5 ± 11.1

−0.2 ± 12.4

0.873

0.397

Body length

90.6 ± 5.3

93.3 ± 4.5

−2.6 ± 2.6

 < 0.001

85.4 ± 4.9

86.8 ± 4.5

−1.3 ± 3.5

0.011

0.026

Hemi-mandibular surface (AMP)

11.0 ± 1.4

11.2 ± 1.3

−0.2 ± 0.5

0.018

10.6 ± 1.4

10.6 ± 1.3

−0.0 ± 0.5

0.807

0.007

  Ramal surface

4.1 ± 0.8

4.3 ± 0.8

−0.2 ± 0.7

0.076

4.0 ± 0.7

4.1 ± 0.6

0.1 ± 0.4

0.093

0.328

  Body surface

6.8 ± 1.1

6.8 ± 1.0

0.0 ± 0.8

0.998

6.6 ± 0.9

6.5 ± 0.8

0.0 ± 0.6

0.311

0.333

Hemi-mandibular surface (MSP)

11.4 ± 1.4

10.8 ± 1.3

0.6 ± 0.5

 < 0.001

10.7 ± 1.3

10.5 ± 1.3

0.2 ± 0.5

0.008

<0.001

Hemi-mandibular volume (AMP)

40.7 ± 7.6

41.6 ± 8.2

−0.8 ± 2.6

0.035

41.0 ± 8.0

41.5 ± 8.3

−0.4 ± 2.0

0.112

0.125

  Ramal volume

11.7 ± 3.5

12.2 ± 3.1

−0.4 ± 2.7

0.288

12.3 ± 3.1

13.0 ± 2.9

−0.6 ± 1.8

0.021

0.471

  Body volume

29.0 ± 6.0

29.4 ± 6.6

−0.4 ± 3.1

0.393

28.7 ± 5.6

28.5 ± 6.0

0.1 ± 2.5

0.662

0.111

Hemi-mandibular volume (MSP)

42.4 ± 7.8

39.9 ± 8.1

2.5 ± 2.9

 < 0.001

41.6 ± 8.0

41.0 ± 8.2

0.5 ± 2.2

0.086

<0.001

Hemi-lower facial surface (×10³ mm²)

49.8 ± 3.5

48.3 ± 3.8

1.5 ± 3.0

0.002

45.3 ± 3.2

44.9 ± 3.0

0.4 ± 2.5

0.211

<0.001

Hemi-lower facial volume (×10³ mm³)

971.8 ± 136.6

935.1 ± 131.8

36.7 ± 93.1

0.010

908.7 ± 118.9

896.0 ± 117.5

12.6 ± 78.5

0.280

<0.001