Skip to main content

Table 3 Binary logistic regression analysis of factures associated with postoperative osteoarthritis in transverse acetabular fractures

From: Surgical outcomes of transverse acetabular fractures and risk factors for poor outcomes

 

Univariate

Multivariate

Unadjusted OR (95% CI)

P value

Adjusted OR (95% CI)

p value

Patient factors

 Age

1.054 (1.009–1.101)

0.018

1.066 (0.974–1.166)

0.164

 Gender

  Male

Reference

   

  Female

1.288 (0.315–5.267)

0.725

  

 Body mass index

1.302 (1.018–1.666)

0.035

1.114 (0.694–1.790)

0.655

 Smoking

0.938 (0.197–4.460)

0.935

  

Injury factors

 Injury severity score

0.950 (0.896–1.008)

0.089

  

  Fracture plane

   Juxtatectal

Reference

   

   Transtectal

2.533 (0.608–10.559)

0.202

  

  Dome impaction

14.583 (2.623–81.084)

0.002

41.173 (1.804–939.814)

0.020

 Posterior wall involvement

3.150 (0.738–13.448)

0.121

  

 Posterior wall comminution

4.800 (1.034–22.293)

0.045

17.401 (0.685–442.182)

0.084

 Posterior wall impaction

10.125 (0.922–111.247)

0.058

  

 Associated T-component

0.792 (0.169–3.714)

0.767

  

 Femoral head injury

3.125 (0.523–18.669)

0.212

  

 Hip dislocation

1.852 (0.265–12.947)

0.535

  

 Association of displaced pelvic ring injury

1.111 (0.273–4.520)

0.883

  

Surgical factors

 Time from injury to ORIF

1.162 (0.941–1.434)

0.163

  

  Approach

   Kocher-Langenbeck

Reference

   

   Anterior intrapelvic (±lateral window)

0.524 (0.118–2.327)

0.395

  

   Both

0.611 (0.052–7.240)

0.611

  

  Fixation

   One-column

Reference

   

   Two-column

1.040 (0.256–4.218)

0.956

  

 Residual gap

3.612 (1.549–8.420)

0.003

4.251 (1.248–14.479)

0.021

 Residual step

2.846 (1.346–6.021)

0.006

1.749 (0.556–5.499)

0.339

  1. p value < 0.05 by univariate analysis were included in the multivariate logistic regression analysis
  2. CI Confidence interval, OR Odds ration, ORIF Open reduction and internal fixation