Table 2 Comparison of radiographic parameters between the two groups

 Pre

52.30 ± 7.94

53.02 ± 8.55

0.705

 1 month

57.49 ± 6.51*

60.17 ± 7.10*

0.090

 6 months

57.30 ± 6.45*

60.08 ± 7.06*

0.077

 Final

56.35 ± 6.15*

59.55 ± 6.84*

0.036

 pre

16.32 ± 4.83

16.04 ± 4.54

0.999

 1 month

24.37 ± 2.68*

25.21 ± 2.95*

0.197

 6 months

24.26 ± 2.60*

25.16 ± 2.91*

0.160

 Final

23.49 ± 2.34*

24.88 ± 2.85*

0.023

 Pre

61.84 ± 9.35

62.64 ± 10.03

0.721

 1 month

62.30 ± 9.02

62.44 ± 9.83

0.949

 6 months

62.35 ± 9.07

62.33 ± 9.91

0.992

 Final

62.22 ± 9.04

62.41 ± 9.86

0.931

 Pre

21.27 ± 4.00

20.85 ± 5.05

0.690

 1 month

16.41 ± 4.23*

15.03 ± 4.27*

0.161

 6 months

16.62 ± 4.04*

15.21 ± 4.11*

0.136

 Final

17.35 ± 3.98*

15.49 ± 4.05*

0.047

 Pre

40.76 ± 10.19

41.87 ± 10.18

0.532

 1 month

46.51 ± 9.71*

47.46 ± 10.37*

0.681

 6 months

46.11 ± 9.48*

47.15 ± 10.35*

0.650

 Final

45.27 ± 9.26*

46.85 ± 10.34*

0.486

 Pre

54.43 ± 46.21

56.52 ± 45.76

0.844

 1 month

31.26 ± 43.78*

27.81 ± 42.98*

0.730

 6 months

32.98 ± 43.85*

28.01 ± 43.07*

0.620

 Final

33.71 ± 44.64*

28.98 ± 44.12*

0.644

 Pre

22.40 ± 7.20

23.18 ± 7.53

0.646

 1 month

6.67 ± 2.88*

5.23 ± 2.12*

0.015

 6 months

7.03 ± 2.54*

5.59 ± 1.89*

0.009

 Final

8.08 ± 2.53*

6.08 ± 2.07*

0.003

Slip correction rate (%)

68.86 ± 15.67

77.25 ± 7.4

0.004