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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: J Biomed Mater Res B Appl Biomater. 2017 Aug 26;106(5):1672–1685. doi: 10.1002/jbm.b.33972

Table 3.

Average head and stem damage scores for all retrieved component, and breakdown by damage score

Couple Average Stem Taper Score Average Head Taper Score Stem Taper Damage [%] Head Taper Damage [%]
Minimal Mild Moderate Severe Minimal Mild Moderate Severe
All 1.5 SD 0.8 1.7 SD 1 65 21 10 4 64 16 11 9
Co/Co 1.5 SD 0.9 1.6 SD 1 74 11 8 7 70 11 8 10
Co/Ti 1.6 SD 0.8 1.7 SD 1 57 30 11 3 59 20 14 8
p 0.011 0.069 0.603 <0.001 0.237 0.134 0.948 0.005 0.042 0.862