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Table 5 Multivariate regression analyses of functional score (Merle d’Aubigne–Postel score)

From: Safety of surgical hip dislocation in femoral head fracture and dislocation (FHFD) and avascular necrosis risk factor analysis of FHFD: midterm results confirmed by SPECT/CT and MRI

  Beta Standard Error p-Value VIF
Age (years) 0.039 0.016 0.026 2.211
Sex (male) − 0.574 0.667 0.399 2.155
Injury mechanism (fall) − 0.341 0.921 0.714 1.564
Combined injury (yes) − 0.185 0.526 0.729 2.299
With neck fracture 0.293 1.172 0.805 3.686
With acetabular fracture 1.146 0.526 0.040 1.797
Complication (AVN) − 3.817 1.485 0.017 4.067
Complication (HO) − 0.413 0.489 0.407 1.742
Complication (others) − 0.960 0.648 0.152 1.453
Time to bone union − 0.331 0.184 0.086 2.534
Radiologic outcome 0.818 0.317 0.017 2.267
  1. R square: 0.817, Durbin–Watson: 2.045, analysis of variance F-value 8.907 (p = 0.000).
  2. VIF, variance inflation factor; AVN, avascular necrosis; HO, heterotopic ossification