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Table 3 Repartition of the study population in categories based on cut-off analysis

From: Effect of chondroitin sulfate on soluble biomarkers of osteoarthritis: a method to analyze and interpret the results from an open-label trial in unilateral knee osteoarthritis patients

From screening to baseline
(n = 63) A <−21 % 5 %
C −21 % to +21 % 83 %
E > + 21 % 13 %
From baseline to 1 month
(n = 63) A <−21 % 10 %
C −21 % to +21 % 87 %
E > + 21 % 3 %
From baseline to 3 months
(n = 60) A <−21 % 20 %
C −21 % to +21 % 60 %
E > + 21 % 20 %
From baseline to 6 months
(n = 53) A <−21 % 11 %
C −21 % to +21 % 66 %
E > + 21 % 23 %
  1. C = from −21 to +21 % (homeostasis); A = decrease in Coll2-1 catabolism >21 %; and E = Increase in Coll2-1 catabolism >21 %
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