Table 2 Changes of imaging outcomes before and after surgery in patients with degenerative scoliosis

2.7 ± 2.2

1.2 ± 1.3

 − 1.5 ± 1.3

< 0.001

1.2 ± 1.3

 − 1.5 ± 1.4

< 0.001

3.1 ± 1.9

1.2 ± 1.0

 − 1.9 ± 1.7

< 0.001

1.4 ± 1.0

 − 1.6 ± 1.6

< 0.001

18.1 ± 10.6

6.6 ± 3.9

 − 11.4 ± 8.8

< 0.001

5.8 ± 3.7

 − 12.2 ± 8.9

< 0.001

7.8 ± 7.2

7.1 ± 5.3

 − 0.7 ± 3.9

0.252

7.2 ± 6.1

 − 0.5 ± 5.2

0.490

22.2 ± 10.2

40.4 ± 8.3

18.2 ± 10.2

< 0.001

36.0 ± 8.8

13.8 ± 6.8

< 0.001

26.6 ± 9.2

20.6 ± 6.0

 − 6.0 ± 6.4

< 0.001

18.0 ± 4.7

 − 8.6 ± 7.7

< 0.001

28.5 ± 9.5

35.1 ± 7.3

6.5 ± 7.0

< 0.001

37.6 ± 7.6

9.1 ± 8.1

< 0.001

30.1 ± 12.8

15.3 ± 10.4

 − 14.8 ± 9.4

< 0.001

19.6 ± 10.9

 − 10.4 ± 6.1

< 0.001

5.6 ± 3.7

2.7 ± 1.9

 − 3.0 ± 2.7

< 0.001

3.1 ± 2.5

 − 2.6 ± 2.1

< 0.001