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Table 3 Mean and standard deviation (SD) values of relative micro-motion and vertical displacement

From: Biomechanical efficacy of AP, PA lag screws and posterior plating for fixation of posterior malleolar fractures: a three dimensional finite element study

Variables Groups Magnitude of applied force Mean SD P-value*
500 N 1000 N 1500 N
Relative micro-motion (RM) AP lag (1) 0.23 0.58 0.99 0.60 0.38  
PA lag (2) 0.16 0.36 0.67 0.39 0.25  
Post. Plate (3) 0.01 0.03 0.05 0.03 0.02 0.039 (3–1)
Vertical displacement(VD) AP lag 0.57 1.40 1.93 1.30 0.68  
PA lag 0.52 1.14 1.85 1.19 0.69  
Post. Plate 0.37 0.86 1.32 0.88 0.52  
  1. *P-value is significant at < 0.05