Patient-reported outcome measure (PROM)

Introduction The Lower Extremity Functional Scale (LEFS) is a patient-reported outcome measure (PROM) used to assess lower extremity function in individuals with musculoskeletal disorders or injuries. It is a 20-item questionnaire that evaluates activities of daily living (ADLs) related to standing, walking, balance, and stair climbing. Each item is scored on a 4-point scale ranging…