Table 4 Pre-and post-operative sagittal parameters between two groups (independent t test).

From: Orientation of L4 coronal tilt relative to C7 plumb line as a predictor for postoperative coronal imbalance in patients with degenerative lumbar scoliosis

 

Consistency pattern

Opposition pattern

P value

Patient No

37

40

 

Thoracic kyphosis (°)

Preoperative

13.8 ± 11.6

14.8 ± 11.3

0.687

Postoperative

21.4 ± 7.9

22.9 ± 9.2

0.451

Pelvic tilt (°)

Preoperative

20.8 ± 11.5

24.9 ± 10.1

0.104

Postoperative

15.9 ± 9.3

16.1 ± 7.7

0.925

Pelvic incidence (°)

Preoperative

44.9 ± 12.5

45.4 ± 10.9

0.846

Postoperative

45.2 ± 12.2

45.6 ± 11.1

0.891

PI-LL (°)

Preoperative

19.1 ± 19.9

24.0 ± 16.5

0.244

Postoperative

7.2 ± 12.4

4.8 ± 9.6

0.335

SVA (mm)

Preoperative

66.3 ± 48.1

62.1 ± 47.7

0.703

Postoperative

32.5 ± 18.7

28.3 ± 19.2

0.331

  1. PI-LL pelvic incidence minus lumbar lordosis, SVA sagittal vertical axis.
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