Table 3 Comparisons of the Scoliotic Parameters in the Aggravated and Improved Shoulder Balance Groups at Follow-up

Age (yr)

20.16 ± 5.76

21.07 ± 5.15

0.570

Risser grade

4.37 ± 0.60

4.38 ± 0.82

0.960

 Preoperative (mm)

17.81 ± 11.55

24.04 ± 20.63

0.237

 Postoperative (mm)

10.20 ± 7.36

22.19 ± 14.51

0.002*

 Follow-up (mm)

19.92 ± 9.65

12.26 ± 10.59

0.015*

 Proximal thoracic curve (°)

42.96 ± 21.36

46.68 ± 22.34

0.570

 Flexibility (%)

16.25 ± 10.04

29.75 ± 18.63

0.006*

 Main thoracic curve (°)

109.47 ± 14.48

106.06 ± 16.85

0.473

 Flexibility (%)

18.28 ± 11.51

15.21 ± 9.25

0.313

Apical vertebra

0.780

 T8 or above

3

7

 T9, T10

9

12

 T11 or below

7

10

 Lumbar curve (°)

44.21 ± 17.35

37.57 ± 20.49

0.250

 Flexibility (%)

35.41 ± 22.90

42.50 ± 23.83

0.312

 Proximal thoracic curve (°)

30.86 ± 18.98

28.42 ± 17.69

0.653

 Correction rate (%)

23.70 ± 47.20

40.40 ± 25.20

0.117

 Main thoracic curve (°)

45.04 ± 24.99

51.54 ± 22.52

0.354

 Correction rate (%)

59.93 ± 19.42

51.96 ± 17.40

0.145

 Lumbar curve (°)

11.29 ± 9.28

18.01 ± 16.30

0.111

 Correction rate (%)

72.44 ± 19.89

57.22 ± 24.83

0.030*

 Proximal / Main (%)

34.12 ± 94.53

77.33 ± 51.47

0.046*

 Proximal / Lumbar (%)

36.76 ± 55.60

71.32 ± 48.53

0.027*

 Lumbar / Main (%)

126.40 ± 31.77

114.60 ± 49.71

0.364