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The percent of patients undergoing revision (A) THA and (B) TKA are shown (square symbols = revision cohort; no symbols = primary cohort). At 5-year followup, the overall survival probabilities were 95.9% and 97.2% for patients undergoing primary THA and patients undergoing TKA, respectively. The corresponding overall survival probabilities were 81.0% and 87.4% for patients undergoing revision THA and patients undergoing TKA, respectively.
