Level of obesity is directly associated with the clinical and functional consequences of knee osteoarthritis

Obesity is one of the most important risk factors of knee osteoarthritis (KOA), but its impact on clinical and functional consequences is less clear. The main objective of this cross-sectional study was to describe the relation between body mass index (BMI) and clinical expression of KOA. Participants with BMI ≥ 25 kg/m 2 and KOA completed anonymous self-administered questionnaires. They were classified according to BMI in three groups:...