Pain and function trajectory types of knee arthroplasty patients

Purpose: Majority of patients with knee arthroplasty (KA) benefit from the surgical procedure. However, up to 20% of patients continue to have pain and functional loss following surgery. Available procedures to identify patients, who do not fully benefit from the surgery, including cross-sectional assessments and minimally clinically important difference, rely heavily on arbitrary cut points to classify patients into outcome subgroups. The...