| Gender (%, female) | 72.7 |
| Age (years, mean) | 53.7 |
| BMI (mean) | 22.8 |
| Diagnosis of IBS (years, median) | 7.8 |
| Last episode of IBS (months, median ) | 0 |
| IBS criteria (%, positive) |
|
| Relief with defecation | 63.6 |
| Different frequency of stool | 63.6 |
| Different form of stool | 59.1 |
| Mucus secretion | 9.1 |
| Gas | 95.5 |