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Table 2 Postoperative radiographic evaluation of the shift of hip joint center (HJC) and the quality of fracture reduction

From: Radiographic analysis of the restoration of hip joint center following open reduction and internal fixation of acetabular fractures: a retrospective cohort study

Fracture type Postoperative shift of HJC (mm) Quality of fracture reduction
  Horizontal Vertical Anatomical Imperfect Poor
Elementary      
  Anterior wall 2.8 ± 1.0 1.9 ± 0.1 2   
  Anterior column 2.0 ± 1.3 1.5 ± 0.5 4 1  
  Posterior wall 2.0 ± 0.7 1.9 ± 0.7 26 5  
  Posterior column 2.4 ± 1.0 2.0 ± 1.2 3 1  
  Transverse 3.1 ± 2.3 2.6 ± 1.8 7 5 2
Associated      
  Posterior column and posterior wall 1.7 ± 0.5 1.7 ± 0.4 3   
  Transverse and posterior wall 2.4 ± 1.4 2.1 ± 1.1 9 5 1
  T-shape 3.4 ± 1.8 2.8 ± 2.0 9 6 2
  Anterior column and posterior hemitransverse 3.1 ± 2.3 2.0 ± 1.9 6 5 1
  Both column 3.6 ± 2.7 2.5 ± 1.5 11 9 4
Summary 2.8 ± 1.9a,b 2.2 ± 1.4b 80 37 10
  1. asignificant difference among different fracture types (P < 0.05).
  2. bcorrelation with the quality of fracture reduction (P < 0.05).
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