Table 1.
Prevalence of IBS according to the population based of the participants.
| Category | Subcategory | Participants without IBS | Participants with IBS | Total | |||
|---|---|---|---|---|---|---|---|
| IBS‐C | IBS‐D | IBS‐M | IBS‐other | ||||
| Ethnicity | |||||||
| Caucasian (n, %) | 3487 (74.3%) | 432 (9.2%) | 216 (4.6%) | 485 (10.3%) | 75 (1.6%) | 4695 | |
| Afro‐Caribbean (n, %) | 183 (68.5%) | 33 (12.4%) | 10 (3.7%) | 38 (14.2%) | 3 (1.1%) | 267 | |
| Asian (n, %) | 411 (82.5%) | 32 (6.4%) | 16 (3.2%) | 37 (7.4%) | 2 (0.4%) | 498 | |
| Hispanic (n, %) | Not counted | Not counted | Not counted | Not counted | Not counted | 2 | |
| Other (n, %) | Not counted | Not counted | Not counted | Not counted | Not counted | 43 | |
| Total | 4118 (74.8%) | 500 (9.1%) | 244 (4.4%) | 563 (10.2%) | 80 (1.5%) | 5506 | |
| Country | |||||||
| Syria (n, %) | 2235 (76.8%) | 290 (10.0%) | 135 (4.6%) | 209 (7.2%) | 40 (1.4%) | 2909 | |
| Egypt (n, %) | 381 (71.1%) | 36 (6.7%) | 23 (4.3%) | 93 (17.4%) | 3 (0.6%) | 536 | |
| Pakistan (n, %) | 298 (78.4%) | 31 (8.2%) | 15 (3.9%) | 34 (8.9%) | 2 (0.5%) | 380 | |
| Sudan (n, %) | 377 (70.2%) | 44 (8.2%) | 29 (5.4%) | 76 (14.2%) | 11 (2.0%) | 537 | |
| Algeria (n, %) | 181 (81.5%) | 9 (4.1%) | 3 (1.4%) | 23 (10.4%) | 6 (2.7%) | 222 | |
| Total* | 4118 (74.8%) | 500 (9.1%)/CI: 3.9%–5.0% | 244 (4.4%)/CI: 9.5%–11.0% | 563 (10.2%)/CI: 1.2%–1.9% | 80 (1.5%) | 5506 | |
Abbreviations: CI, confidence interval; IBS, irritable bowel syndrome; IBS‐C, irritable bowel syndrome‐constipation Type; IBS‐D, irritable bowel syndrome‐diarrhea type; IBS‐M, irritable bowel syndrome‐mixed type.
*
For all study participants, even from countries with less than 200 participants.