Table 1.
Demographic and injury data
| 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 | |