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Table 3 Relative incidence and risk of infectious gastroenteritis-associated medical encounters by antecedent IBS diagnosis

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)
  1. *Incidence per 1,000 person years.