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Table 3 Multivariate analysis via a Cox proportional hazards model

From: Will coronal alignment postoperatively be deteriorating in adult spinal deformity after long-fusion surgery?

Variable

HR

95% CI

P Value

Age ≥ 60 years

1.547

1.006–2.381

0.04*

Consistency alignment

3.896

1.317–11.53

0.014*

Pelvic fixation

2.824

1.215–6.563

0.016*

UIV

0.501

0.098–2.565

0.406

d-CBD ≥ 30 mm

1.364

1.117–1.667

0.002*

Instrumented segments ≥ 8

1.069

0.715–1.599

0.008*

L4 coronal tilt

0.911

0.798–1.04

0.168

d-L4 tilt

1.059

0.936–1.199

0.363

L5 coronal tilt

1.164

0.973–1.394

0.097

d-L5 tilt

1.073

0.869–1.326

0.512

d-Cobb

0.968

0.911–1.029

0.299

  1. *Indicates P < 0.05; UIV, upper instrumented vertebra; CBD, coronal balance distance; d-, the changes of variables perioperatively
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European Journal of Medical Research

ISSN: 2047-783X

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