Table 2.

Correlation coefficients of fecal water, short chain fatty acids and SeHCAT.

	% Fecal water		SeHCAT %
	Rs	p	Rs	p
SeHCAT	0.08	0.33	–	–
Total SCFA	0.60	0.0001	− 0.07	0.35
Acetate	0.67	0.0001	− 0.09	0.30
Propionate	0.57	0.0001	− 0.11	0.25
Butyrate	0.42	0.004	0.07	0.35
Isobutyrate	− 0.08	0.32	0.15	0.18
Valeric	0.01	0.48	0.30	0.03
Isovaleric	− 0.31	0.03	− 0.05	0.39
Caproic	− 0.11	0.26	0.28	0.05
Isocaproic	0.20	0.12	− 0.24	0.08
Heptanoic	− 0.06	0.35	0.27	0.05
Octanoic	− 0.09	0.29	0.04	0.41
% Acetate	− 0.03	0.42	0.10	0.28
% Propionate	0.18	0.14	− 0.19	0.13
% Butyrate	− 0.02	0.46	0.20	0.12
% Isobutyrate	− 0.54	0.0003	0.24	0.07
% Valeric	− 0.56	0.0001	0.33	0.02
% Isovaleric	− 0.64	0.0001	0.06	0.36
% Caproic	− 0.36	0.01	0.39	0.01
% Isocaproic	− 0.41	0.005	− 0.23	0.09
% Heptanoic	− 0.24	0.14	0.21	0.10
% Octanoic	− 0.18	0.14	0.06	0.35

SCFA amounts were measured as µmol∙g⁻¹ of dry stool. SeHCAT % retention at 7d.

N = 38 patients in the combined IBS-D and BAD groups with SeHCAT results.

Rs = Spearman rank correlation coefficients.

P values < 0.05 are shown in bold.