Postural Stability in Patients With Knee Osteoarthritis: Comparison With Controls and Evaluation of Relationships Between Postural Stability Scores and International Classification of Functioning, Disability and Health Components

Patients with knee osteoarthritis displayed lower postural stability and achieved lower scores in the environmental domain of quality-of-life measures than did controls. The postural stability of patients with knee osteoarthritis was weakly to moderately associated with the following ICF components: body functions and structures, activities and participation, and personal and environmental factors.