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Table 3 The von Mises stress of the acetabulum before and after the operation under different loads

From: Evaluation of the short-term curative effect of closed reduction in the treatment of developmental dysplasia of the hip based on three-dimensional magnetic resonance imaging finite element analysis

von Mises Single-leg standing (MPa)   2-leg standing (MPa)
preoperative postoperative t p preoperative postoperative t p
1 × body weight 0.95 ± 0.18 0.54 ± 0.10 20.667  < 0.01 0.68 ± 0.13 0.42 ± 0.08 20.817  < 0.01
2 × body weight 1.83 ± 0.34 1.07 ± 0.20 20.978  < 0.01 1.50 ± 0.28 0.91 ± 0.17 20.786  < 0.01
3 × body weight 2.71 ± 0.51 1.60 ± 0.30 20.544  < 0.01 2.17 ± 0.41 1.30 ± 0.24 20.533  < 0.01