Table 3 LL, PT, SS, VAS and ODI of the two groups in the L4/5 and L5/S1 surgical segments.

LL, degrees

Preoperation

43.41 ± 3.49

42.34 ± 4.39

44.08 ± 3.91

40.74 ± 3.40

Last follow up

47.96 ± 3.73

46.57 ± 5.04

50.28 ± 3.68

46.05 ± 4.02

P value

0.008

0.002

0.000

0.033

PT, degrees

Preoperation

23.40 ± 2.32

23.29 ± 3.29

24.56 ± 1.89

22.21 ± 2.21

Last follow up

18.06 ± 2.27

18.13 ± 2.32

17.89 ± 1.90

17.17 ± 2.70

P value

0.000

0.000

0.000

0.005

SS, degrees

Preoperation

32.16 ± 6.12

33.62 ± 6.37

30.28 ± 6.44

28.84 ± 3.30

Last follow up

38.55 ± 6.73

38.47 ± 7.08

36.23 ± 7.06

40.15 ± 1.92

P value

0.031

0.011

0.023

0.001

VAS

Preoperation

6.09 ± 0.30

6.74 ± 1.10

7.27 ± 0.96

7 ± 0.89

Post-operation

1.55 ± 0.69^①

1.63 ± 0.63^①

1.80 ± 0.56^①

2.17 ± 0.41^①

Last follow up

0.66 ± 0.50^①

0.67 ± 0.48^①

0.80 ± 0.41^①

1.17 ± 0.41^①

ODI

Preoperation

49.27 ± 7.11

50.53 ± 7.91

48.59 ± 5.57

51.33 ± 8.64

Postoperation

15.64 ± 5.28^①

13.60 ± 3.22^①

14.37 ± 4.26^①

12.33 ± 2.66^①

Last follow up

3.82 ± 0.98^①

3.20 ± 1.52^①

3.22 ± 1.60^①

3.83 ± 1.60^①