Table 1 Changes in the measurements from the pre-operative films to the latest follow-up. Values are presented as mean ± SD (range)

Major curve coronal Cobb angle

42.9 ± 10.7 (29–78)

28.8 ± 9.6 (10–53)

< 0.001

Thoracic kyphosis

30.3 ± 7.1 (15–48)

17.6 ± 5.6 (6–36)

< 0.001

Proximal junctional angle

5.4 ± 1.5 (3–10)

6.7 ± 3.0 (3–18)

< 0.001

Pelvic incidence

41.0 ± 9.3 (19–63)

43.1 ± 8.9 (23–64)

0.24

Pelvic tilt

14.9 ± 7.1 (4–34)

15.4 ± 5.7 (6–35)

0.43

Sacral slope

29.4 ± 6.6 (17–52)

30.1 ± 7.0 (20–52)

0.34