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This figure shows the proportion revision-free for dislocation from 1 year after THAs by bearing surface adjusted for femoral head size > 28 mm and age < 65 years. CC = ceramic-on-ceramic; CP = ceramic-on-PE; MM = metal-on-metal; MP = metal-on-PE. CC showed the lowest revision rate (0.04 100 components/year; CI, 0.02–0.07) after CoP (0.03 100 components/year; CI, 0.00–0.13).
