Microbiota at baseline and follow-up
| Bacteria Concentration log10 /g dry faeces, median (IQR) | Baseline | Follow-up (post FOS) | p Values | |
| Bifidobacteria | Patients | 9.4 (2.0) | 9.7 (1.3) | 0.013 |
| Siblings | 9.9 (0.6) | 10.3 (0.5) | 0.028 | |
| B longum | Patients | 9.0 (3.4) | 9.4 (2.1) | 0.036 |
| Siblings | 9.1 (3.5) | 9.6 (2.8) | 0.008 | |
| B adolescentis | Patients | 5.2 (4.4) | 5.2 (9.5) | 0.831 |
| Siblings | 9.0 (4.2) | 9.1 (3.8) | 0.012 | |
| Roseburia spp. | Patients | 9.2 (1.9) | 8.9 (4.3) | 0.198 |
| Siblings | 9.3 (3.2) | 9.6 (0.8) | 0.023 |