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Table 3

Competing-risk regression analysis (Fine–Gray model) of factors associated with mechanical failures.

Outcome Variable HR (95% CI) p-value
Implant survival to mechanical failure Length of defect 0.995 (0.981–1.009) 0.500
Stem diameter 0.879 (0.548–1.409) 0.590
Length of fixation 0.998 (0.964–1.033) 0.910

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