Fig. 2From: Intra-articular platelet-rich plasma vs corticosteroids in the treatment of moderate knee osteoarthritis: a single-center prospective randomized controlled study with a 1-year follow upEvaluation of the subjective state according to VAS (a), IKDC (b), and KSS (c) over time. Values are the average of each score at any one time. VAS, visual analog scale; KSS, Knee Society Score; IKDC, International Knee Documentation CommitteeBack to article page