Figure 3From: Dickkopf-1 (Dkk-1) in plasma and synovial fluid is inversely correlated with radiographic severity of knee osteoarthritis patients Scattergram showing the negative correlation between synovial fluid Dkk-1 levels in patients with OA and severity classified according to Kellgren and Lawrence grading scale (r = -0.42, p = 0.01).Back to article page