Table 3 Clinical and radiologic indicators between groups

 Preoperative

7.11 ± 0.75

7.05 ± 1.05

 Postoperative 2 days

2.72 ± 0.46

2.90 ± 0.64

0.534*

 Postoperative 6 months

2.72 ± 0.89

4.00 ± 1.45

0.044**

 Preoperative

23.82 ± 6.26

21.69 ± 10.25

 Postoperative 2 days

15.55 ± 5.56

16.48 ± 6.89

0.158*

 Postoperative 6 months

18.26 ± 5.30

22.52 ± 8.23

0.024**

 Preoperative

60.44 ± 11.52

61.88 ± 14.67

 Postoperative 2 days

90.40 ± 13.60

85.62 ± 13.57

0.088*

 Postoperative 6 months

82.01 ± 10.76

68.49 ± 12.44

0.029**