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Table 1 Demographic and injury data

From: Three-dimensional printing of patient-specific plates for the treatment of acetabular fractures involving quadrilateral plate disruption

Variable Group A(n = 15) mean ± SD Group B(n = 35) mean ± SD p value
Age (years) 46.6 ± 12.3 45.1 ± 12.6 0.604
Time of injury until surgery (days) 8.6 ± 3.0 8.1 ± 4.1 0.413
Preoperative displacement (mm) 20.41 ± 6.15 20.35 ± 6.12 0.958
Blood loss (ml) 880.0 ± 673.4 1177.1 ± 691.6 0.045
Operative time (min) 141.7 ± 52.9 170.7 ± 40.6 0.037
Postoperative residual displacement (mm) 1.51 ± 0.97 2.38 ± 1.10 0.003
Time taken to contour plates (min)   11.1 ± 3.4  
Time cost to build 3D printing model (days) 3.3 ± 0.5   
Time cost to construct 3DPPS plate (days) 3.5 ± 0.7   
Male 10 22 0.849
Female 5 13  
Mechanism of injury
Falling from a height
9 22 0.797
Motor vehicle accident (MVA) 6 13  
Acetabular fracture classification
 Both-column 11 22  
 Anterior Column and posterior hemitransverse 3 10 0.882
 T-type 1 3