Association of psychological status and patient-reported physical outcome measures in joint arthroplasty: a lack of divergent validity

摘要

BackgroundPatient-reported outcome measures have become a well-recognised part of outcome assessment in orthopaedic surgery. These questionnaires claim to measure joint-specific dimensions like pain, function in activities of daily living, joint awareness or stiffness. Interference of the patient’s psychological status with these orthopaedic questionnaires however may make accurate interpretation difficult.