Biomechanical Assessment of Three Osteosynthesis Constructs by Periprosthetic Humerus Fractures

Table 1

An overview table of the results in terms of mean value and standard deviation for each of the three groups.

	Cerclage + unicortical locking screws	Cerlcage	Plate + bicortical locking screws
Internal torsional stiffness (Nm/°)	0.37 ± 0.15	0.51 ± 0.33	1.34 ± 0.16
Mean ± SD
External torsional stiffness (Nm/°)	0.57 ± 0.20	0.39 ± 0.24	1.31 ± 0.24
Mean ± SD
Axial stiffness (N/mm)	451.0 ± 41.6	737.5 ± 146.7	715.8 ± 357.7
Mean ± SD