Figure 1From: Randomized clinical trial of a phytotherapic compound containing Pimpinella anisum, Foeniculum vulgare, Sambucus nigra, and Cassia augustifolia for chronic constipation Colonic transit time according to treatment periods assessed by X ray. Points represent individual patient values and bars represent mean colonic transit times (in hours). Mean difference between active tea and placebo: 26.6 hours (95%CI 18.7-34.6) favoring active tea.Back to article page