Kaplan-Meier ten-year revision-free survival estimates by Fixation, Age and Register.

*Estimate because years of follow-up were not given;
**Comprised from weighted averages of multiple implants;
∧Note, these two studies from Finland involve different prostheses; the patient samples are independent;
Outcome here is revision due only to aseptic loosening for the Swedish Registry and revision for all indications for the other registries.