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Table 1 Radiographic Parameters of Idiopathic and Congenital Scoliosis

From: What is the impact of scoliotic correction on postoperative shoulder imbalance in severe and rigid scoliosis

 

Idiopathic scoliosis

Left-curve congenital scoliosis

Right-curve congenital scoliosis

P

Total

Radiographic shoulder height

 Preoperative (mm)

−20.96 ± 20.51

−13.91 ± 22.71

−18.20 ± 23.25

0.649

−17.37 ± 21.94

 Postoperative (mm)

3.62 ± 22.67

−0.10 ± 16.43

2.23 ± 28.83

0.888

1.74 ± 22.11

 P

0.004*

0.039*

0.049*

–

< 0.001*

Proximal thoracic curve

 Preoperative (°)

49.3 ± 14.2

41.0 ± 25.1

46.6 ± 24.1

0.537

45.2 ± 21.8

 Postoperative (°)

30.4 ± 17.2

27.5 ± 18.2

30.9 ± 19.9

0.850

29.4 ± 18.1

 P

0.003*

0.066

0.071

–

< 0.001*

 Flexibility (%)

22.2 ± 13.5

27.1 ± 15.3

23.1 ± 22.5

0.668

24.4 ± 17.0

Main thoracic curve

 Preoperative (°)

106.7 ± 15.0

106.7 ± 16.4

109.1 ± 17.0

0.893

107.4 ± 15.9

 Postoperative (°)

43.1 ± 25.2

49.9 ± 21.2

54.0 ± 24.8

0.458

49.0 ± 23.5

 P

< 0.001*

< 0.001*

< 0.001*

–

< 0.001*

 Flexibility (%)

16.9 ± 10.0

17.3 ± 9.7

14.8 ± 11.5

0.774

16.4 ± 10.2

Lumbar curve

 Preoperative (°)

41.2 ± 18.4

36.7 ± 20.7

43.9 ± 19.2

0.571

40.2 ± 19.4

 Postoperative (°)

12.2 ± 8.9

13.7 ± 11.0

21.0 ± 20.7

0.200

15.4 ± 14.2

 P

< 0.001*

< 0.001*

0.006*

–

< 0.001*

 Flexibility (%)

33.0 ± 25.0

42.0 ± 25.1

43.7 ± 19.4

0.410

39.7 ± 23.5

Total

15

19

14

–

48

  1. Negative value in radiographic shoulder height represents the ipsilateral shoulder elevation of main thoracic curve.
  2. Positive value in radiographic shoulder height represents the contralateral shoulder elevation of main thoracic curve.
  3. *Statistical significance: P < 0.05