Bacterial target of labelling probe | Before (PSI) | After (PSI) | p Value* | q value† | |
---|---|---|---|---|---|
Traditional IBS diet (n=30) | None | n/a | n/a | n/a | n/a |
Low FODMAP diet (n=31) | Mycoplasma hominis | 66 (26–110.4) | 40 (22.7–96.8) | 0.02 | 0.3 |
Bifidobacterium | 152 (45.7–270) | 32.8 (25.4–122.4) | 0.0005 | 0.02 | |
Actinobacteria | 120 (57.5–197.4) | 59.6 (47.9–102.4) | 0.001 | 0.02 |
*Mann-Whitney U test. Data shown as median (25–75%).
†Correction for multiple comparisons, using classical one-stage method.
FODMAP, fermentable oligosaccharides, disaccharides, monosaccharides and polyols; PSI, probe signal intensity indicating bacterial abundance in sample. n/a, not applicable.