Table 2.

IBS-SSS total scores and scores for the four items of the scale in placebo and FMT-treated patients following transplantation

Time	Group	Total score	1	2	3	4
0	Placebo	315.2±77.1	107.5±46.1	55.5±24.7	76.1±20.7	75.4±19.8
	30 g FMT	311.8±76.8	111.1±42.8	51.0±25.8	76.4±19.2	75.6±17.8
	60 g FMT	313.3±87.3	106.5±45.8	55.0±25.4	78.6±18.1	75.6±20.8
2 weeks	Placebo	278.7±124.7	88.1±57.0	51.2±30.5	62.6±28.5	64.5±27.5
	30 g FMT	244.0±98.5**	84.4±49.3	35.0±24.8**	53.3±25.7**	54.4±25.2*
	60 g FMT	184.6±96.3***	58.9±41.9**†	32.7±26.0***	43.6±26.0***	48.2±26.4**
1 month	Placebo	299.5±106.1	102.0±51.2	53.5±27.4	70.3±25.1	69.1±26.3
	30 g FMT	213.4±100.1***	97.7±47.8*	36.9±22.8***	49.4±28.9***	50.9±29.1***
	60 g FMT	186.8±107.0***	66.8±50.8***	33.7±24.6***	40.4±28.4***	46.4±26.8***
3 months	Placebo	307.0±87.1	112.0±69.7	56.8±31.8	73.1±22.3	71.7±22.0
	30 g FMT	186.3±109.0***	69.4±48.5***	30.5±21.7***	44.6±29.7***	45.3±30.9***
	60 g FMT	166.8±117.9***	56.5±47.5***	30.4±26.4***	35.6±26.2***	40.2±27.1***

IBS-SSS items: 1, abdominal pain; 2, abdominal distension; 3, dissatisfaction with bowel habits; 4, interference with quality of life.

Data are mean±SD values.

*p<0.05;**p<0.01; ***p<0.001 compared with placebo.

†p<0.05 compared with 30 g FMT.

FMT, faecal microbiota transplantation; IBS, irritable bowel syndrome; IBS-SSS, IBS Severity Scoring System.