Prevalence

IBD Curriculum Topic 1.2

The incidence of Crohn’s disease has increased throughout the world over the last 50 years. The annual incidence of Crohn’s disease is between 0.1-16 / 100,000. This increase continues in children, who account for 20% of new diagnoses, as well as in developing countries.

The Epicom cohort has suggested a higher incidence of IBD in western compared to eastern Europe, although the rate of increase is higher in Eastern Europe.

The environmental causes for this increase are largely unknown.

In total 0.3% of the European population suffer from IBD with more than 3 million patients.

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