Fig. 5From: A randomized, double-blind, prospective, placebo-controlled study of the efficacy of a diet supplemented with curcuminoids extract, hydrolyzed collagen and green tea extract in owner’s dogs with osteoarthritisMean ± SD for Δ PS (a) and Δ PI (b) in OA dogs (n = 21 control +21 CCOT). PS = pain severity; PI = pain interference; **p < 0.01Back to article page