Table 5 Comparison of oropharynx and hyoid bone position between the maximum and moderate retraction groups

 Vol, mm³

15,929.9 (4897.7)

17,135.1 (6426.2)

0.062

16,252.9 (5913.9)

17,780.1 (6369.7)

0.003*

0.219

 MCA, mm²

243.4 (121.8)

263.0 (143.1)

0.353

243.3 (106.8)

269.3 (112.0)

0.045*

0.083

 PNS-AP

26.7 (3.9)

27.7 (3.4)

0.022*

27.4 (4.3)

28.1 (3.5)

0.033*

0.739

 PNS-lateral

38.7 (3.9)

39.9 (4.6)

0.002*

37.7 (6.4)

39.4 (6.7)

0.000*

0.128

 PNS-AP/ lateral

0.69 (0.09)

0.70 (0.07)

0.572

0.74 (0.11)

0.73 (0.12)

0.167

0.154

 E-AP

12.2 (3.3)

12.7 (4.3)

0.290

13.1 (3.3)

13.2 (3.4)

0.869

0.458

 E- lateral

31.2 (3.5)

31.9 (3.7)

0.044*

30.5 (3.0)

31.2 (2.9)

0.030*

0.691

 E-AP/lateral

0.39 (0.11)

0.40 (0.12)

0.729

0.43 (0.10)

0.42 (0.10)

0.465

0.962

 H-Eb

8.3 (2.0)

8.4 (2.3)

0.660

8.4 (2.5)

8.2 (1.9)

0.852

0.441

 H-Me

43.3 (4.2)

45.5 (6.3)

0.004*

43.9 (5.3)

45.0 (5.2)

0.078

0.664

 H-C3

26.5 (3.3)

27.5 (3.4)

0.003*

27.3 (3.0)

27.1 (2.9)

0.507

0.0.95

 H-X

8.5 (5.8)

6.7 (6.9)

0.008*

6.1 (6.5)

5.1 (7.0)

0.137

0.880

 H-Y

93.2 (5.8)

94.0 (5.8)

0.061

94.8 (5.6)

94.7 (5.3)

0.814

0.044*