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Individual trajectories of function outcomes (KOOS and WOMAC).
(A) KOOS total and subscales (Pain, Symptoms, ADL, Sports/Rec, QOL) normalized to a 0–100 scale at baseline and Weeks 4, 12, 26, and 52 (higher scores indicate better status).
(B) WOMAC total and subscales (Pain, Stiffness, Function) shown as raw scores at the same visits (original direction: higher scores indicate worse status).
