Fig. 1From: Antimicrobial treatment improves tryptophan metabolism and mood of patients with small intestinal bacterial overgrowthHamilton Anxiety Rating Scale (HAM-A), and Hamilton Depression Rating Scale (HAM-D) in patients with SIBO with diarrhea predominant (SIBO-D, orange) and with constipation predominant (SIBO-C, grey); median with boxes represent I and III quartiles, and error bars represent the minimum and maximum values. Differences between groups were analyzed by U Manna-Whitney's test; n = 40 in both groups; *** p < 0.001Back to article page