Demographic and clinical characteristics of IBS patients and controls
| UK/US/Canadian cohort | Sweden cohort | Combined cohort | ||||
|---|---|---|---|---|---|---|
| Control | IBS | Control | IBS | Control | IBS | |
| N | 639 | 935 | 887 | 497 | 1526 | 1432 |
| Mean age, years | 42.55±14.44 | 42.76±14.35 | 45.67±12.30 | 44.28±13.35 | ||
| Men/women | 158/481 | 179/756 | 553/334 | 107/390 | ||
| Alternating (IBS-A) | 140 | 218 | 358 | |||
| Constipation (IBS-C) | 325 | 118 | 443 | |||
| Diarrhoea (IBS-D) | 430 | 161 | 591 | |||
| Postinfectious (IBS-PI) | 40 | 40 | ||||
IBS, irritable bowel syndrome.