Safety and efficacy of purified clinoptilolite-tuff treatment in patients with irritable bowel syndrome with diarrhea: Randomized controlled trial

Figure 2 Subject’s Global Assessment of Relief. The proportion of patients (%) reporting ‘completely relieved’ or ‘considerably relieved’ by time point during the 12-wk treatment and 2-wk withdrawal period with G-PUR^® (solid squares) or placebo (open circles). “n” represents the number of patients with available data at the respective time point, while patients with missing data were considered as non-responders in the intention-to-treat-analysis.