Table 5 Comparisons of pre-post data in IZCG group

SNA (°)

83.8 ± 3.9

83.8 ± 4

0 ± 0.3

-0.2

0.2

.949

0.016

SNB (°)

78.5 ± 4

78.7 ± 4.2

0.2 ± 0.8

-0.2

0.6

.329

0.252

ANB (°)

5.2 ± 1.4

5.1 ± 1.7

-0.1 ± 0.7

-0.5

0.2

.452

0.193

LAFH (mm)

61.1 ± 4.2

61.1 ± 4.2

0 ± 1.4

-0.7

0.8

.931

0.022

PFH (mm)

71.3 ± 6.2

71.4 ± 6.3

0.1 ± 1

-0.5

0.6

.743

0.083

U1-SN (°)

104.2 ± 11.2

100.4 ± 11.3

-3.8 ± 2

-4.9

-2.8

 < .001

1.931

U3 ANGLE (°)

97.6 ± 7.2

90.8 ± 8.2

-6.8 ± 4.9

-9.4

-4.1

 < .001

1.387

U6 ANGLE (°)

75.1 ± 8.1

69.3 ± 9.5

-5.8 ± 4.2

-8.1

-3.5

 < .001

1.370

L6 ANGLE (°)

59.8 ± 8.6

60.1 ± 8.4

0.4 ± 0.8

0

0.8

.071

0.485

IMPA (°)

95.7 ± 5.8

95.5 ± 6.1

-0.2 ± 0.7

-0.6

0.2

.246

0.302

IIA (°)

127.5 ± 11.5

131 ± 11.6

3.4 ± 2.6

2.1

4.8

 < .001

1.330

U3 VP (mm)

64.8 ± 3.2

64.3 ± 3.3

-0.5 ± 0.8

-0.9

-0.1

.030

0.598

U6 VP (mm)

61.4 ± 2.5

59.7 ± 2.9

-1.7 ± 1.3

-2.4

-1.1

 < .001

1.365

L6m VP (mm)

63 ± 2.9

63 ± 2.7

0 ± 0.5

-0.2

0.3

.839

0.052

L6d VP (mm)

61.3 ± 3

61.2 ± 2.9

0 ± 0.5

-0.3

0.2

.634

0.121

L6 AP (mm)

39.3 ± 6.5

39.2 ± 6.5

0 ± 0.2

-0.2

0.1

.267

0.288

Model measurements

 MV- U3

36.8 ± 5.4

50.3 ± 6.6

13.5 ± 5.9

10.4

16.7

 < .001

2.287

 MV- U6

31.2 ± 6.2

46.9 ± 7.1

15.6 ± 7

11.9

19.3

 < .001

2.233

 MH- U3

12 ± 2.5

8.9 ± 2.3

-3.1 ± 0.9

-3.6

-2.6

 < .001

3.453

 MH- U6

12.1 ± 2.2

15.4 ± 1.9

3.2 ± 1.2

2.6

3.9

 < .001

2.691

 ICW

33.9 ± 2.4

44.6 ± 2.8

10.7 ± 3

9.1

12.3

 < .001

3.584

 IMW

45.4 ± 2.9

46.3 ± 3.1

0.9 ± 0.8

0.5

1.4

 < .001

1.123

 OJ

4.9 ± 1.7

3.3 ± 1.5

-1.6 ± 1

-2.1

-1

 < .001

1.525

 OB

3 ± 1.7

3 ± 1.7

0 ± 0.8

-0.4

0.4

.975

0.008