This study is a nationwide cross-sectional survey on pain and satisfaction after knee arthroplasty (KA). Please find the full protocol uploaded at ClinicalTrials.gov The goal of this observational study is to study pain and satisfaction in patients operated with knee arthroplasty. The main question it aims to answer are: * What is the incidence of persistent postsurgical pain in unselected knee arthroplasty patients * What is the level of satisfaction in unselected knee arthroplasty patients? Participants will be asked to answer a 22-item questionnaire.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Moderate/Severe persistent postsurgical pain
Timeframe: 11-15 months postsurgically