Fig. 2From: Multicenter, randomized, double-blind clinical trial to evaluate efficacy and safety of combined glucosamine sulfate and chondroitin sulfate capsules for treating knee osteoarthritisEvaluation of glucosamine sulfate and chondroitin sulfate non-inferiority vs. Cosamin DS® according to analgesic efficacy evaluation by the investigator in the PP population (N = 86)Back to article page