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Table 5 Comparative analyses between patients with IPCD and those without

From: Onset and remodeling of coronal imbalance after selective posterior thoracic fusion for Lenke 1C and 2C adolescent idiopathic scoliosis (a pilot study)

Parameters

IPCD (N = 10)

Non-IPCD (N = 11)

P value

PT Cobb (°)

Preop.

27.8 ± 7.2

30.7 ± 11.2

0.50

Flexibility (%)

15.7 ± 12.8

31.7 ± 21.3

0.10

Postop.

16.8 ± 8.3

15.5 ± 7.4

0.72

Final

16.5 ± 6.3

17.3 ± 9.2

0.81

Correction rate (%)

41.3 ± 17.3

44.3 ± 20.8

0.72

MT Cobb (°)

Preop.

53.6 ± 14.2

60.5 ± 9.2

0.20

Flexibility (%)

29.2 ± 18.9

29.9 ± 14.7

0.93

Postop.

16.9 ± 7.9

18.7 ± 7.7

0.59

Final

19.6 ± 7.8

25.8 ± 9.1

0.11

Correction rate (%)

63.2 ± 12.4

57.9 ± 12.1

0.33

TLL Cobb (°)

Preop.

41.1 ± 5.8

43.5 ± 5.6

0.36

Flexibility (%)

76.2 ± 16.2

74.2 ± 14.4

0.81

Postop.

19.5 ± 8.5

19.1 ± 6.7

0.90

Final

23.3 ± 7.6

21.7 ± 8.2

0.65

Correction rate (%)

43.0 ± 17.2

49.8 ± 18.2

0.39

AVT-MT (mm)

Preop.

41.1 ± 16.2

48.8 ± 14.7

0.27

Postop.

3.9 ± 13.3

0.0 ± 10.2

0.47

Final

9.3 ± 12.1

10.6 ± 14.3

0.84

AVT-TLL (mm)

Preop.

24.1 ± 6.7

20.1 ± 4.2

0.13

Postop.

27.2 ± 7.7

23.1 ± 6.1

0.21

Final

18.5 ± 9.7

15.3 ± 7.4

0.43

LIV tilt (°)

Preop.

18.6 ± 11.2

29.2 ± 11.4

0.05

Postop.

7.8 ± 7.2

8.4 ± 6.5

0.87

Final

9.8 ± 6.1

10.5 ± 5.7

0.78

Coronal balance (mm)

Preop.

−11.0 ± 7.8

2.7 ± 9.0

<0.01

Postop.

−32.5 ± 10.7

−10.8 ± 4.6

<0.01

Final

−17.4 ± 12.5

−7.1 ± 7.1

<0.05

Trunk shift (mm)

Preop.

30.1 ± 15.1

51.5 ± 19.9

<0.05

Postop.

−28.6 ± 17.4

−10.8 ± 11.0

<0.05

Final

9.0 ± 15.9

3.5 ± 17.2

0.10

LIV-EV

 

1.6 ± 1.7

0.5 ± 0.9

0.09

LIV-NV

 

1.5 ± 1.8

0.7 ± 1.1

0.24

LIV-SV

 

1.3 ± 1.5

0.1 ± 0.9

<0.05

ApexTLL-LIV

 

1.4 ± 1.3

2.3 ± 1.0

0.10

  1. Values indicate mean ± standard deviation. Bold values indicate a statistical significance
  2. IPCD immediately postoperative coronal decompensation, PT proximal thoracic, MT main thoracic, TLL thoracolumbar/lumbar, AVT apical vertebral translation, LIV lowest instrumented vertebra, EV end vertebra, NV neutral vertebra, SV stable vertebra