Fig. 3From: Profiling of inflammatory mediators in the synovial fluid related to pain in knee osteoarthritisExpression of IL-1β and IL-6 in different K-L groups. a. Expression of IL-1β in different K-L groups. b. Expression of IL-6 in different K-L groups. Comparison of values was performed by one-way ANOVA. * p < 0.05 and ** p < 0.01Back to article page