| IBS-type | Stool frequency | Stool consistency/type (Bristol stool form scale) | Frequency of abdominal pain in days/week |
| IBS-D | 3–4/day | 7 | 7 |
| IBS-A | Variable | 2, 3, 7 | 7 |
| IBS-C | Once every 2–3 days | 2, 3 | 6 |
| IBS-A | Variable | 3, 6 | 2 |
| IBS-A | Variable | 3, 6 | 7 |
| IBS-A | Variable | 2, 3, 6 | 7 |
| IBS-D | 2–3/day | 7 | 7 |
| IBS-C | Once every 1–2 days | 3 | 2 |
| IBS-C | Once every 2 days | 2 | 1 |
| IBS-D | 3–4/day | 6, 7 | 7 |
| IBS-A | Variable | 2, 6 | 2 |
| IBS-C | Once every 1–2 days | 2 | 0 (pain every few weeks) |
| IBS-D | 3/day | 7 | 6 |
| IBS-D | 2/day | 6 | 3 |
| IBS-C | Once every 2 days | 2 | 3 |
| IBS-C | Once every 1–2 days | 2 | 1 |
| IBS-D | 4–5/day | 7 | 7 |
| IBS-A | Variable | 2, 6 | 7 |
| IBS-D | 4/day | 6 | 2 |
| IBS-A | Variable | 2, 7 | 5 |
| IBS-A | Variable | 3, 6 | 2 |
| IBS-C | Once every 1–3 days | 2 | 3 |
| IBS-D | 4/day | 6 | 2 |
IBS-A, irritable bowel syndrome with an alternating stool pattern; IBS-C constipation-predominant irritable bowel syndrome; IBS-D diarrhoea-predominant irritable bowel syndrome.