So sánh phương pháp

	Thang đo Chức năng Riêng biệt cho Bệnh nhân	Thang đo Chức năng Chi dưới
Lĩnh vực	Y học thể thao	Y học thể thao
Họ	Process / pipeline	Process / pipeline
Năm ra đời	1995	1999
Người khởi xướng	Paul W. Stratford, Gill Westaway, Colin Gill, Jill M. Binkley	Jill M. Binkley, Paul W. Stratford, Sheila A. Lott, Duane L. Riddle
Loại	Patient self-report	Patient self-report
Công trình gốc	Stratford PW, Gill C, Westaway MD, Binkley JM. Assessing disability and change on individual patients: a report of a patient-specific measure. Physiother Can. 1995;47(4):258-263.	Binkley JM, Stratford PW, Lott SA, Riddle DL. The Lower Extremity Functional Scale (LEFS): scale development, measurement properties, and clinical application. Phys Ther. 1999;79(4):371-383.
Tên gọi khác	PSFS	LEFS
Liên quan	4	4
Tóm tắt	The Patient-Specific Functional Scale (PSFS) is a unique, individualized outcome instrument that captures patient-identified functional limitations and tracks change in those specific activities. Developed by Stratford and colleagues in 1995 and published in Physiotherapy Canada, the PSFS revolutionized patient-centered assessment by allowing each patient to identify and rate the three to five activities most important to them, rather than answering predetermined questions. This approach ensures relevance and maximizes the instrument's sensitivity to clinically meaningful change in patient-valued outcomes.	The Lower Extremity Functional Scale (LEFS) is a 20-item patient self-report instrument designed to assess functional limitations in individuals with lower extremity musculoskeletal disorders. Developed by Binkley, Stratford, Lott, and Riddle in 1999 and published in Physical Therapy, the LEFS provides a validated, general lower-extremity outcome measure applicable across diverse pathologies (knee, ankle, hip, foot injuries and conditions), making it particularly valuable in physical therapy and rehabilitation settings.