Fig. 2From: Clinically important improvement thresholds for Harris Hip Score and its ability to predict revision risk after primary total hip arthroplastyImplant survival is shown for different categories of absolute (panels a and b) or change HHS scores (panels c and d), with follow-up up to 10 years post-THA. Follow-up starts at ≥ 731 days post-surgery for 2-year and ≥ 1826 days for 5-year (Day 0 for all revision analyses), i.e., only after the administration of the 2- and 5-year HHS surveyBack to article page