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Table 2 Pre- and postoperative spinopelvic parameters: Data are presented as mean ± standard deviation

From: Musculoskeletal biomechanics of patients with or without adjacent segment degeneration after spinal fusion

 

Preoperative

Postoperative

Variable

ASD

CTRL

P value

ASD

CTRL

P value

Pelvis incidence (°)

51.7 ± 7.6

51.6 ± 11.0

0.986

54.1 ± 8.4

51.7 ± 12.1

0.499

Pelvic tilt (°)

17.0 ± 5.4

19.7 ± 7.9

0.222

19.6 ± 5.9

20.9 ± 8.2

0.605

Sacral slope (°)

34.1 ± 6.4

31.2 ± 7.4

0.198

33.7 ± 7.0

30.9 ± 6.25

0.164

Lumbar lordosis (°)

52.0 ± 9.5

47.1 ± 11.1

0.151

50.2 ± 10.3

45.2 ± 8.5

0.109

ΔPI-LL

−0.3 ± 8.9

4.6 ± 9.8

0.120

3.9 ± 9.1

6.5 ± 9.6

0.382

PTi

12.1 ± 2.8

12.1 ± 3.9

0.986

13.9 ± 3.1

12.1 ± 4.5

0.490

ΔPTi-PT

4.9 ± 4.9

7.6 ± 5.4

0.110

6.6 ± 5.1

8.7 ± 4.8

0.200

  1. ASD adjacent segment disease, CTRL control group, ΔPI-LL pelvic incidence–lumbar lordosis mismatch, PTi ideal calculated pelvic tilt, ΔPTi-PT ideal pelvic tilt – pelvic tilt mismatch