Table 2 Comparison of preoperative and postoperative imaging results in coronal and sagittal positions

Coronal

  Cobb Angle of main curve(°)

33.30 ± 9.86

8.00 ± 4.62^*

13.39 ± 7.55^*Δ

  Segmental Cobb angle(°)

31.29 ± 10.03

11.87 ± 6.55^*

14.33 ± 7.16^*Δ

  Compensatory cephalic curve(°)

14.75 ± 12.50

6.22 ± 6.33^*

7.97 ± 7.25^*

  Compensatory curve on the caudal side(°)

12.61 ± 8.72

5.58 ± 3.43^*

7.88 ± 4.39^*

  Coronal balance(mm)

13.52 ± 11.03

10.95 ± 8.65^*

10.72 ± 7.07^*

  Apical vertebra translation(mm)

16.55 ± 8.39

5.96 ± 5.07^*

9.35 ± 6.20^*Δ

Sagittal

  Segmental kyphosis Angle(°)

21.89 ± 14.62

7.60 ± 9.36^*

6.09 ± 9.75^*

  Sagittal balance(mm)

19.89 ± 13.79

20.81 ± 12.03

15.45 ± 10.10

  Thoracic kyphosis(°)

24.06 ± 10.49

21.14 ± 6.81

26.57 ± 7.68^Δ

  Lumbar lordosis(°)

27.84 ± 16.68

24.64 ± 10.79

32.12 ± 13.15^Δ