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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