Table 2 Clinical outcomes of two groups

JOA scores

 preoperative

11.11 ± 2.23

10.90 ± 1.98

0.648

 1 week

12.72 ± 1.65

12.44 ± 1.86

0.495

 Last follow-up

15.59 ± 1.57

15.72 ± 1.39

0.690

VAS neck score

 preoperative

5.89 ± 1.00

5.66 ± 1.08

0.443

 1 week

4.23 ± 0.81

4.16 ± 0.65

0.722

 Last follow-up

1.97 ± 1.10

1.64 ± 0.83

0.105

VAS arm score

 preoperative

5.70 ± 1.05

5.18 ± 1.21

0.038*

 1 week

4.22 ± 0.64

4.06 ± 1.13

0.451

 Last follow-up

1.68 ± 0.71

1.60 ± 0.70

0.621

NDI scores

 preoperative

24.11 ± 3.76

22.96 ± 5.65

0.586

 1 week

17.81 ± 3.58

16.76 ± 5.23

0.621

 Last follow-up

10.99 ± 4.95

9.71 ± 2.82

0.586