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Table 1 Equations used to calculate the elastic modulus of the bone

From: Total hip arthroplasty using a three-dimensional porous titanium acetabular cup: an examination of micromotion using subject-specific finite element analysis

Bone density

Elastic modulus (MPa)

P = 0

0.001

0 < p ≤ 0.27

33900p2.20

0.27 < p < 0.6

5307 p + 469

0.6 ≤ p

10200p2.01

  1. The elastic modulus of the bone is based on computed tomography density values, using the equations proposed by Keyak et al. [32]
  2. p (g/cm3) = (H. U. + 1.4246) × 0.001/1.058 (H. U. > − 1) = 0.0 (H. U. ≤ − 1)
  3. H. U. Hounsfield units.