Table 3 The radiographic data of groups

SL (°)

 Pre

22.53 ± 2.47

23.25 ± 3.10

0.121

 1 months

27.58 ± 3.50*

28.26 ± 5.17*

0.353

 1 year

27.49 ± 2.86*

28.51 ± 4.54*

0.104

 Final

26.79 ± 3.44*

28.13 ± 3.92*

0.029

LL (°)

 Pre

51.47 ± 5.13

50.68 ± 3.53

0.276

 1 months

56.69 ± 3.26*

57.54 ± 3.60*

0.137

 1 year

56.76 ± 3.40*

57.50 ± 3.37*

0.189

 Final

54.97 ± 3.28*

56.64 ± 3.70*

0.004

PI (°)

 Pre

61.42 ± 5.79

62.17 ± 4.81

0.389

 1 months

62.65 ± 3.67

62.67 ± 4.25

0.866

 1 year

62.61 ± 4.55

62.53 ± 3.67

0.901

 Final

62.14 ± 4.42

61.37 ± 4.49

0.295

PT (°)

 Pre

20.74 ± 3.82

20.61 ± 4.06

0.840

 1 months

16.74 ± 3.23*

16.05 ± 2.37*

0.142

 1 year

17.01 ± 2.78*

16.24 ± 3.20*

0.118

 Final

17.53 ± 2.64*

16.17 ± 2.52*

0.002

SS (°)

 Pre

40.68 ± 4.32

41.57 ± 3.81

0.188

 1 months

45.92 ± 3.55*

46.71 ± 3.40*

0.167

 1 year

45.60 ± 3.57*

46.29 ± 3.48*

0.234

 Final

44.61 ± 3.57*

45.20 ± 3.55*

0.318

PI-LL (°)

 Pre

9.94 ± 7.21

11.49 ± 6.65

0.178

 1 months

5.96 ± 4.94*

5.22 ± 5.28*

0.384

 1 year

5.85 ± 6.04*

5.03 ± 4.84*

0.362

 Final

7.17 ± 5.90*

4.72 ± 5.86*

0.013

SD (%)

 Pre

23.28 ± 3.45

22.43 ± 3.34

0.133

 1 months

6.42 ± 1.86*

5.46 ± 1.74*

0.001

 1 year

7.03 ± 2.13*

5.76 ± 2.01*

 < 0.001

 Final

8.44 ± 2.29*

6.14 ± 2.12*

 < 0.001