Fig. 3From: MMP-3 in the peripheral serum as a biomarker of knee osteoarthritis, 40 years after open total knee meniscectomyMMP-3 and GAG levels correlate with Ahlbӓck and Kellgren-Laurence (KL) radiographic scores. a Ahlbӓck vs GAG; b Ahlbӓck vs MMP-3; c Kellgren-Laurence vs GAG; and d Kellgren-Laurence vs MMP-3 levels in the synovial fluid of all knees (n = 16)Back to article page