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Table 2 Summary of mechanical parameters by age-group: median (IQR)

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

Measure <75 (N = 12) ≥75–85 > (N = 40) ≥ 85 (N = 21) p-value a
Age [years] 70 (66–71) 81 (78–83) 88 (86–93) <.0001
Ultimate stress, σ ULT [MPa] 4.49 (3.85–5.34) 7.03 (3.45–10.99) 5.30 (3.69–6.96) 0.163
Young’s modulus, E [MPa] 238.23 (129.77–328.50) 244.98 (115.96–516.13) 87.72 (29.76–251.70) 0.037
Energy to failure, W ULT [MJ/m3] 0.06 (0.06–0.09) 0.16 (0.05–0.27) 0.249 (0.10–0.40) 0.037
  1. a p-value obtained by Kruskal-Wallis test for univariate comparison between age-groups, with statistical significance for p < 0.05.