Figure 1.
Association of TGR5 SNP rs11554825 with small bowel and colonic transit in the overall cohort of patients and healthy controls who underwent transit measurement and, specifically, in patients with IBS-D. A modest overall association is noted between SNP rs11554825 and transit in the entire IBS cohort for Colonic filling at 6 h (CF6, p=0.061) and colonic transit (GC24, p=0.083). The association with CF6 was most pronounced in IBS-D (p=0.017) with the TC/CC subgroup having an average 50% faster small bowel transit time compared to the TT subgroup. In contrast to the numerical difference in CF6 in the TC/CC subgroup compared to TT subgroup in IBS-D, colonic transit in IBS-D patients was not significantly different in the 2 subgroups.