time

Low back pain VAS (sub)

Lower limb pain VAS (sub)

JOA score

ODI (%)

Preoperative

6.64 + 1.14

6.71 + 0.97

12.07 + 2.25

70.33 + 4.95

1 month after operation

2.93 + 0.51a

2.57 + 0.59b

20.14 + 2.67c

35.05 + 2.69d

6 months after operation

1.21 + 0.47a

0.91 + 0.43b

23.33 + 2.19c

22.43 + 1.76d

Last follow-up

0.60 + 0.63a

0.64 + 0.62b

24.55 + 2.14c

21.45 + 2.12d