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 |