Responses to faecal microbiota transplantation in female and male patients with irritable bowel syndrome

Table 13 The short-chain fatty acids concentration in the faeces of the placebo group and the patients that received donor’s faecs (faecal microbiota transplantation) at the baseline and 1 mo after faecal microbiota transplantation

Acids	Placebo				Active treated
	Baseline		1 mo after FMT		Baseline		1 mo after FMT
	Females	Males	Females	Males	Females	Males	Females	Males
Total SCFAs	72 ± 37	69 ± 23.	73 ± 37	69 ± 23	77 ± 40	72 ± 40	87 ± 42	89 ± 26
Acetic acid	42 ± 18	40 ± 15	41 ± 17	40 ± 14	44 ± 21	44 ± 20	46 ± 13	40.2 ± 15.0
Propionic acid	12 ± 8	11 ± 5	12 ± 8	11 ± 5	13 ± 10	13 ± 8	14 ± 4	11 ± 7
Iso-butyric acid	2 ± 2	1 ± 1	1 ± 2	1 ± 1	1 ± 1	1 ± 1	2 ± 2	1 ± 1
Butyric acid	14 ± 9	12 ± 6	13 ± 8	12 ± 6	11 ± 8	12 ± 9	18 ± 14	16 ± 10
Iso-valeric acid	2 ± 2	2 ± 1	2 ± 2	2 ± 1	2 ± 1	2 ± 2	2 ± 2	2 ± 1
Valeric acid	2 ± 2	1 ± 1	2 ± 2	1 ± 1	2 ± 2	2 ± 2	2 ± 1	2 ± 1
Iso-capronic acid	0.1 ± 0.04	0.01 ± 0.07	0.5 ± 0.7	0.4 ± 0.7	0.0 ± 0.0	0.02 ± 0.08	0.01 ± 0.04	0.0 ± 0.0
Capronic acid	0.5 ± 0.7	0.5 ± 0.7	0.01 ± 0.04	0.1 ± 0.08	0.7 ± 1.3	0.6 ± 0.8	0.6 ± 0.9	0.5 ± 0.9

The values were expressed as mmol/kg wet weight (mean ± SD). FMT: Faecal microbiota transplantation; SCFAs: Short-chain fatty acids.