Table 1 Summary of radiographic parameters preoperatively, postoperatively, and at the last follow-up in 39 cases

Cobb’s angle of segmental main curve (°)

39.3 ± 12.2

6.3 ± 7.2^a

9.5 ± 10.4

Compensatory cranial curve (°)

13.9 ± 9.8

4.6 ± 6.2^a

5.5 ± 7.6

Compensatory caudal curve (°)

13.9 ± 10.7

4.6 ± 6.0^a

5.2 ± 8.4

Cobb’s angle of segmental kyphosis (°)

17.7 ± 17.0

3.2 ± 2.8^a

6.4 ± 10.7

Apical vertebral translation (mm)

23.9 ± 9.6

7.0 ± 10.2^a

6.4 ± 10.7

Coronal balance (mm)

13.7 ± 11.1

11.8 ± 13.4

7.8 ± 9.7

Sagittal balance (mm)

−3.4 ± 28.6

4.2 ± 32.1

1.7 ± 23.0

Thoracic kyphosis (°)

22.9 ± 15.8

22.1 ± 11.4

26.6 ± 15.2

Thoracolumbar kyphosis (°)

12.8 ± 14.3

4.8 ± 7.7^a

6.9 ± 12.9

Lumbar lordosis (°)

−46.2 ± 23.8

−36.9 ± 12.9^a

−44.1 ± 12.9^b