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Table 2 Comparison of radiographic data between the two groups

From: A novel posterior multiple screws distraction reducer system versus anterior release, posterior internal distraction, and subsequent spinal fusion for severe scoliosis

 

MSDR

ARPIDF

p-value

Cobb angle of the major curve (°)

 Preoperative

96.2 ± 5.9

97.3 ± 6.5

0.60

 Postoperative

22.9 ± 3.5

21.1 ± 2.4

0.08

 Immediate postoperative correction rate (%)

76.5 ± 6.8

78.0 ± 9.2

0.58

 Most recent follow-up

25.1 ± 3.7

24.6 ± 4.1

0.70

 Correction rate at most recent follow-up (%)

74.1 ± 8.8

75.1 ± 10.5

0.89

 Loss of correction

2.5 ± 1.2

2.8 ± 1.6

0.52

Thoracic kyphosis (°)

 Preoperative

17.2 ± 10.2

20.1 ± 12.2

0.83

 Postoperative

24.9 ± 5.3

25.4 ± 6.2

0.44

 Most recent follow-up

23.2 ± 4.6

24.6 ± 7.0

0.51

Coronal imbalance (mm)

 Preoperative

18.1 ± 8.5

19.4 ± 7.3

0.32

 Postoperative

17.1 ± 7.3

18.4 ± 8.1

0.33

 Final follow-up

15.3 ± 7.5

16.9 ± 8.2

0.20

Sagittal imbalance (mm)

 Preoperative

18.0 ± 10.2

18.3 ± 11.2

0.81

 Postoperative

17.1 ± 8.3

17.4 ± 8.7

0.85

 Final follow-up

13.3 ± 6.2

15.1 ± 9.4

0.63

Shoulder imbalance (mm)

 Preoperative

42.7 ± 10.9

45.1 ± 12.3

0.54

 Postoperative

21.6 ± 6.8

23.4 ± 7.5

0.45

 Final follow-up

18.4 ± 6.1

19.2 ± 7.2

0.72

  1. MSDR multiple screws distraction reducer system, ARPIDF anterior release, posterior internal distraction, and subsequent spinal fusion