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Table 6 The von Mises stress of the femoral head on the unaffected side and post 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)

Double-leg standing (MPa)

unaffected

Postoperative

t

p

unaffected

postoperative

t

p

1 × body weight

0.57 ± 0.11

0.59 ± 0.11

10.693

 < 0.01

0.49 ± 0.10

0.49 ± 0.09

1.848

 > 0.05

2 × body weight

1.15 ± 0.22

1.13 ± 0.21

15.332

 < 0.01

0.98 ± 0.18

0.97 ± 0.18

12.475

 < 0.01

3 × body weight

1.81 ± 0.34

1.80 ± 0.34

1.640

 > 0.05

1.41 ± 0.26

1.38 ± 0.26

18.500

 < 0.01

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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