From: Risk of inflammatory bowel disease following a diagnosis of irritable bowel syndrome
 | IBS cohort | Non-IBS cohort | RR (95% CI) | ||
---|---|---|---|---|---|
 | Number of episodes | Incidence* | Number of episodes | Incidence* |  |
All IGE | 1088 | 49.1 | 1083 | 20.2 | 2.4 (2.3, 2.6) |
Bacterial IGE | 600 | 19.0 | 449 | 6.6 | 2.9 (2.6, 3.3) |
Viral IGE | 915 | 29.0 | 925 | 13.5 | 2.1 (2.0, 2.4) |
Protozoal IGE | 23 | 1.0 | 9 | 0.1 | 7.7 (3.7, 16.2) |