Table 5.

Effect of weight-loss on faecal dry matter content, pH and volatile fatty acid concentrations and differences in pre-diet faecal dry matter content, pH and VFA concentrations between weight-loss groups

	Pre-diet	Post-diet	P-value	High	Medium	Low	P-value
Faecal dry matter (%)	16.78 ± 1.44	18.98 ± 1.96	< 0.01	16.74 ± 1.38	16.53 ± 1.14	17.07 ± 1.97	0.85
pH	6.73 ± 0.24	6.72 ± 0.15	0.90	6.74 ± 0.04	6.77 ± 0.10	6.69 ± 0.43	0.90
Acetate (mM)	18.04 ± 7.06	14.39 ± 8.35	< 0.01	24.04 ± 6.76	17.37 ± 6.58	12.70 ± 2.04	0.02
Propionate (mM)	5.19 ± 1.33	3.66 ± 1.71	< 0.01	5.98 ± 1.31	5.16 ± 1.56	4.42 ± 0.74	0.19
Butyrate (mM)	1.77 ± 0.55	1.45 ± 0.88	0.04	2.09 ± 0.73	1.73 ± 0.45	1.48 ± 0.29	0.22
BCVFA (mM)	1.44 ± 0.58	1.13 ± 0.85	0.05	1.56 ± 0.88	1.55 ± 0.51	1.22 ± 0.18	0.59