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Table 3 The “Propionic minus Butyric acid (mmol/l)” values in the subgroups of subjects with IBS and comparisons with the control group

From: Faecal short-chain fatty acids - a diagnostic biomarker for irritable bowel syndrome?

IBS subtype

Propionic minus Butyric acid

Statistics p-value

 

IBS

Control

 

IBS-C (no 8)

0.21 (0.24)

- 0.32 (0.69)

p = 0.04

IBS-D (no 9)

0.51 (0.37)

- 0.32 (0.69)

p = 0.002

IBS-M (no 7)

0.37 (0.37)

- 0.32 (0.69)

p = 0.016

IBS-U (no 1)

0.24 (−−-)

- 0.32 (0.69)

ns (p = 0.43)

  1. Abbreviations: IBS-C: Constipation-predominant IBS; IBS-D: Diarrhoea-predominant IBS; IBS-M: Mixed IBS; IBS-U: Undefined IBS. No: Number of subjects
  2. The results are given as mean values with SD in brackets. The Student T-test was used for the comparisons between the groups. Several of the variables were not normally distributed. Analyses with non-parametric statistics (Mann–Whitney U-test) showed principally identical results (data not shown)