Irritable bowel syndrome (IBS) severity distribution in new and follow-up patients as well as the whole group
| IBS severity | New patients | Follow-up patients | Total |
|---|---|---|---|
| Mild IBS | 11 (5.6%) | 31 (10.3%) | 42 (8.4%) |
| Moderate IBS | 54 (27.3%) | 110 (36.4%) | 164 (32.8%) |
| Severe IBS | 133 (67.2%) | 161 (53.3%) | 294 (58.8%) |