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Cox-adjusted survival curves for six HRA designs (1,856 BHR, 995 ASR, 657 ReCap, 469 Conserve Plus, 333 Durom, and 91 Corin). The endpoint was defined as revision for any reason. Adjustment was made for age at surgery, sex, operated side, diagnosis, and femoral head diameter (categorized as ≤ 44 mm, 45–49 mm, 50–54 mm, and ≥ 55 mm).
