Fig. 2

Effects of FMT on IBS symptom severity scale and Bristol stool scale in IBS-D patients with anxiety and depression. (a) The abscissa represents the sample collection time: one week prior to FMT (pre-FMT-1W), one week following FMT (post-FMT-1W), one month following FMT (post-FMT-1M), two months following FMT (post-FMT-2M), and three months following FMT (post-FMT-3M). Bars indicate mean +/− SEM. IBS-SSS, IBS symptom severity scale. (b) The Bristol stool scale of Col and FMT group. *, p < 0.05; **, p < 0.01