At the moment of occurrence of a fragility hip fracture, men have higher mechanical properties values in comparison with women

Table 1 Summary of mechanical parameters by gender: median (IQR)

Measure	Female (N = 55)	Male (N = 18)	p-value ^a
*Age* [years]	82 (77–86)	81 (78–84)	0.605
*Ultimate stress,* σ _ULT [MPa]	4.46 (3.02–7.73)	8.04 (5.35–10.90)	0.005
*Young’s modulus,* E [MPa]	174.26 (73.07–322.28)	293.68 (166.67–538.18)	0.028
*Energy to failure,* W _ULT [MJ/m³]	0.11 (0.05–0.25)	0.25 (0.07–0.42)	0.058

Note: IQR = Interquartile range.
^a p-value obtained by Mann–Whitney test for univariate comparison between female and male, with statistical significance for p < 0.05.

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