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Design features of Symax hip stem.

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Kaplan-Meier cumulative revision percentages for revision of stem and THA.

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Kaplan-Meier cumulative revision percentages for revision of the stem according to primary diagnosis.

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Kaplan-Meier cumulative revision percentages for revision of the stem according to previous surgery to the affected hip.

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Patient and procedure-related baseline characteristics of the study cohort.

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Patient and procedure-related baseline characteristics of the revision cohort.

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Reasons for revision of the Symax hip stem (n = 76).

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Cox proportional Hazard Ratios (HR, with 95% Confidence Intervals (CI)) to assess the association between patient and procedure characteristics for revision of the Symax hip stem.