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Table 2 Results of the mechanical test series at failure point (mean ± SD)

From: The medial femoral wall can play a more important role in unstable intertrochanteric fractures compared with lateral femoral wall: a biomechanical study

 

Medial wall

Lateral wall

p

Failure load (N)

 Removed

476.05 ± 138.85

1596.78 ± 273.17

< 0.001

 PFNA

3262.63 ± 742.73

3267.66 ± 276.79

0.990

  p

< 0.001

< 0.001

 

Axial stiffness (N/mm)

 Removed

225.33 ± 36.31

911.43 ± 158.31

< 0.001

 PFNA

550.71 ± 55.89

787.69 ± 84.11

0.001

  p

< 0.001

0.020

 

Displacement (mm)

 Removed

4.37 ± 0.69

3.23 ± 0.96

0.050

 PFNA

6.51 ± 1.04

7.15 ± 1.27

0.491

  p

< 0.001

< 0.001

 
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X