Fig. 3From: Association between changes in molecular biomarkers of cartilage matrix turnover and changes in knee articular cartilage: a longitudinal pilot studyMean ± standard deviation ratios between molecular biomarkers of cartilage degradation and synthesis (sC2C/CPII (a), C2C-HUSA/CPII (b), CTXII/CPII (c)) at baseline and 2 years follow up. NS: no significant difference between time pointsBack to article page