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The effect of ion levels on Harris hip score (HHS) and EQ-5D index adjusted for age, sex, and contralateral articulation. Any variable with a CI that did not include 0 represents a statistically significant influence. Panels A and B correspond to HHS and EQ-5D outcomes with a chromium ion threshold of 7 ppb and panels C and D show the results of the same analysis using a threshold of 10 ppb in ASR XL patients.
