Comment on the TARGET trial by Bennell et  al.: was the interpretation of similar improvement based on equivalence analysis?

I read with considerable pleasure the interesting study comparing efficacy of two exercise programs (home-based non-weight bearing {NWB} quadriceps strengthening exercise and weight bearing {WB} functional exercise) in patients with medial knee osteoarthritis and co-morbid obesity1.
Source: Osteoarthritis and Cartilage - Category: Rheumatology Authors: Tags: Letter to the Editor Source Type: research