Table 3 The comparison of sagittal and coronal spinal parameters between before surgery and at the final observation in patients with minimum 2-years follow-up

PI (deg.)

55.7 ± 12.3

–

–

PT (deg.)

41.1 ± 8.5

30.8 ± 8.1

< 0.0001**

SS (deg.)

14.6 ± 12.1

24.9 ± 8.0

< 0.0001

LL (deg.)

3.1 ± 21.6

38.6 ± 13.1

< 0.0001

PI-LL (deg.)

52.6 ± 18.1

17.1 ± 15.5

< 0.0001

SVA (mm)

134.3 ± 45.9

56.8 ± 44.8

< 0.0001

Cobb angle (deg.)

34.7 ± 9.0

13.3 ± 8.2

< 0.0001

C7-CSVL (mm)

28.3 ± 21.3

15.9 ± 13.8

0.012