Table 1.
Irritable Bowel Syndrome Severity Scoring System (IBS-SSS), Short Form 36 Health Survey (SF-36), Hospital Anxiety and Depression Scale (HADS), The Visceral Sensitivity Index (VSI), IBS specific Gastrointestinal Symptom Rating Scale (GSRS-IBS), Patient Health Questionnaire (PHQ 15), Irritable Bowel Syndrome Adequate Relief (IBS-AR).
| Procedure | Screening | Visit 1 Baseline |
Visit 2 | Visit 3 | Visit 4 Follow Up |
|---|---|---|---|---|---|
| Mayo Score | X | ||||
| Rome IV criteria | X | X | X | ||
| Dietician | X | ||||
| IBS-SSS | X | X | X | X | |
| SF-36 | X | X | X | X | |
| HADS | X | X | X | X | |
| GSRS | X | X | X | X | |
| VSI | X | X | X | X | |
| PHQ15 | X | X | X | X | |
| AR | X | X | X | X | |
| FODMAP frequency (daily in the week before) |
X | X | X | ||
| Extra questions | X | X | X | ||
| Diet registration (3 days in the last week up to study start) |
X | X | X | ||
| Symptom diary | X-------------------------------------------------------------------------X | ||||
| Calprotectin | X | X | X | X | |
| Blood sample | X | X | X | ||
| Body weight | X | X | X | X | |