Is a model of stratified exercise therapy by physical therapists in primary care feasible in patients with knee osteoarthritis? : a mixed methods study

OBJECTIVES: To explore the feasibility of a newly developed model of stratified exercise therapy in primary care for patients with knee osteoarthritis (OA).DESIGN: Mixed method design (process, outcome and qualitative evaluation).SETTING: Six physical therapy practices in primary care around Amsterdam.PARTICIPANTS: Fifty eligible patients with knee OA, visiting one of the participating physical therapists (PTs).INTERVENTION: Patients were allocated to a subgroup based on a simple stratification tool and received subgroup-specific, protocolized, 4-month, exercise therapy.MAIN OUTCOME MEASURES: Feasibility of this model of stratified exercise therapy was explored by multiple process parameter…