Table 2

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

TimeGroupTotal score1234
0Placebo315.2±77.1107.5±46.155.5±24.776.1±20.775.4±19.8
30 g FMT311.8±76.8111.1±42.851.0±25.876.4±19.275.6±17.8
60 g FMT313.3±87.3106.5±45.855.0±25.478.6±18.175.6±20.8
2 weeksPlacebo278.7±124.788.1±57.051.2±30.562.6±28.564.5±27.5
30 g FMT244.0±98.5**84.4±49.335.0±24.8**53.3±25.7**54.4±25.2*
60 g FMT184.6±96.3***58.9±41.9**†32.7±26.0***43.6±26.0***48.2±26.4**
1 monthPlacebo299.5±106.1102.0±51.253.5±27.470.3±25.169.1±26.3
30 g FMT213.4±100.1***97.7±47.8*36.9±22.8***49.4±28.9***50.9±29.1***
60 g FMT186.8±107.0***66.8±50.8***33.7±24.6***40.4±28.4***46.4±26.8***
3 monthsPlacebo307.0±87.1112.0±69.756.8±31.873.1±22.371.7±22.0
30 g FMT186.3±109.0***69.4±48.5***30.5±21.7***44.6±29.7***45.3±30.9***
60 g FMT166.8±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.