Table 3 JOA, VAS and NDI scores for three groups

 one week

11.73 ± 1.86

12.92 ± 2.46

12.84 ± 2.59

0.739

 12-month

13.35 ± 2.23

13.66 ± 1.47

13.30 ± 1.62

0.642

 1 week

1.95 ± 0.58

1.91 ± 0.22

1.86 ± 0.64

0.530

 1 year

1.82 ± 0.62

1.75 ± 0.84

1.69 ± 0.27

0.963

 one week

21.74 ± 0.68

21.67 ± 3.59

21.46 ± 2.94

0.744

 12-month

19.53 ± 0.82

18.95 ± 4.67 ^{a, b}

17.19 ± 4.22

0.528