Fig. 2From: Associations among knee muscle strength, structural damage, and pain and mobility in individuals with osteoarthritis and symptomatic meniscal tearKOOS Pain Scores by Quartile of Muscle Strength. Legend: Data presented as mean Knee injury and Osteoarthritis Outcomes Score (KOOS) pain scores across each quartile (Q) of muscle strength adjusting for structural damage, age, sex and BMI. * indicates significantly less than quartile 4; †indicates significantly less than quartile 2 and quartile 3Back to article page