Table 2 The expert panel members' (n = 9) agreement on the items in the Visual Analogue Scale for Irritable Bowel Syndrome (VAS-IBS) concerning content validity (relevance and definition) and acceptability of the scale.
| Â | Relevance | Definition | Acceptability of the scale | |||
|---|---|---|---|---|---|---|
| Â | Score 4 and 3 | Score 2 and 1 | Score 4 and 3 | Score 2 and 1 | Score 4 and 3 | Score 2 and 1 |
Physical symptoms | Â | Â | Â | Â | Â | Â |
   Overall item bowel symptoms | 8 (6+2) | 1 | 8 (4+4) | 1 | 9 (8+1) | 0 |
   Abdominal Pain | 9 (8+1) | 0 | 9 (6+3) | 0 | 8 (6+2) | 1 |
   Diarrhoea | 9 (8+1) | 0 | 8 (6+2) | 1 | 8 (6+2) | 1 |
   Constipation | 9 (8+1) | 0 | 8 (6+2) | 1 | 8 (6+2) | 1 |
   Bloating and Flatulence | 8 (7+1) | 1 | 8 (6+2) | 1 | 9 (7+2) | 0 |
   Vomiting and Nausea | 8 (6+2) | 1 | 8 (5+3) | 1 | 8 (7+1) | 1 |
Mental health | Â | Â | Â | Â | Â | Â |
   Perception of mental well-being | 9 (6+3) | 0 | 9 (6+3) | 0 | 9 (9+0) | 0 |
Quality of Life | Â | Â | Â | Â | Â | Â |
   Well-being previous week | 9 (8+1) | 0 | 9 (6+3) | 0 | 9 (9+0) | 0 |
   Perception of quality of life | 9 (9+0) | 0 | 9 (8+1) | 0 | 9 (9+0) | 0 |