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Variable importance ranked by AIC increase in the (A) 1-year KOOS-Pain model, (B) KOOS-Pain 10-point improvement model, and (C) 1-year PASS model. ADI, Area Deprivation Index; AIC, Akaike information criterion; BMI, body mass index; KOOS, Knee injury and Osteoarthritis Outcome Score; MCS, Veterans RAND 12-Item Health Survey–Mental Component Score; PASS, Patient Acceptable Symptom State; Pfm, patellofemoral.
