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Table 3 Radiographic Parameters

From: Comparison between two pedicle screw augmentation instrumentations in adult degenerative scoliosis with osteoporosis

 

Polymethylmethacrylate

Autogenous bone

P

Pre-operation Cobb angle(°)

23.8 ± 9.8

28.7 ± 10.6

0.200

Post-operation Cobb angle(°)

15.2 ± 6.2

17.9 ± 6.6

0.256

Cobb angle correction rate(%)

36.4 ± 13.5

35.7 ± 12.7

0.881

Follow up Cobb angle(°)

20.2 ± 7.2

17.0 ± 6.9

0.224

Follow up Cobb loss

1.8 ± 2.7

2.3 ± 2.7

0.605

Pre-operation sagittal lumbar curve(°)

34.4 ± 9.6

36.2 ± 12.5

0.659

Post -operation sagittal lumbar curve(°)

35.6 ± 3.9

34.6 ± 5.5

0.580

Follow up sagittal lumbar curve(°)

35.1 ± 5.2

37.6 ± 3.5

0.134

  1. Follow up Cobb loss = Follow up Cobb angle - Post operation Cobb angle