Emerging inflammatory bowel disease in saudi outpatients: a report of 693 cases.

This increase is apparently due to the westernization of lifestyles with dietary and environmental changes along with improved sanitation.[ 16 ] Similarly, a study from central China has reported an increasing prevalence.[ 17 ] The Arab countries are not excluded and several studies mainly from KSA over the last three decades have shown an increasing trend.[ 18 – 26 ] In an Australian prospective population-based incidence study, an overall incidence rate of IBD of 29.6 per 100,000 has been amongst the highest reported rates and CD has been more frequent than UC.[ 27 ] Also in Africa, a few studies have reported the presence of IBD.

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