Comparison of features of groups 1 and 3 during five years of follow up
| Group 1 PI-IBS | Group 3 new IBS | |
|---|---|---|
| PI-IBS, post infective irritable bowel syndrome. | ||
| *p<0.05, PI-IBS versus new IBS. | ||
| n | 14 | 20 |
| IBS subtype | ||
| Diarrhoea predominant IBS | 5 | 3 |
| Alternating IBS | 8 | 12 |
| Constipation predominant IBS | 1 | 5 |
| Days with abdominal pain (mean (SEM)) | 3.2 (0.4) | 2.8 (0.3) |
| Loose stool (days/week) | 3.4 (0.7)* | 2.0 (0.2) |
| Urgency (days/week) | 2.6 (0.6) | 2.6 (0.3) |