Figure 2From: Echinacea/sage or chlorhexidine/lidocaine for treating acute sore throats: a randomized double-blind trial Relative frequency of patients with reduction in the sore throat score by at least 50% during the first 3 days of treatment of the per protocol population (n = 133). The grey bars represent the chlorhexidine/lidocaine (n = 64) and the black bars the echinacea/sage treatment (n = 69). (P = .5083, Mann-Whitney-Statistic).Back to article page