Table 1 Patient characteristics between two pattern groups.

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

 

Sex (M:F)

7:30

4:36

0.264#

Age at surgery (yr)

64.0 ± 8.0

63.9 ± 6.6

0.953*

Instrumented levels

8.3 ± 2.4

8.7 ± 2.5

0.506*

UIV (T10 or above: below)

23:14

27:13

0.624#

LIV (non-pelvic: S1 or below

11:26

14:26

0.622#

Interbody fusion levels

2.2 ± 1.2

1.9 ± 1.1

0.259*

Osteotomy grades

1.9 ± 0.3

1.9 ± 0.3

0.909*

Osteotomy levels

3.3 ± 0.8

3.4 ± 0.8

0.776*

  1. UIV upper instrumented vertebra, LIV lower instrumented vertebra.
  2. *Independent t test.
  3. #Chi-square test.
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