<unk><unk>  disease (IBS) is an extremely common disorder among the general population. The incidence of IBS is approximately 200 per 100,000 individuals worldwide. The prevalence of IBS is approximately 11,200 per 100,000 individuals worldwide. The prevalence of IBS varies with geographical and demographic distribution. Females are more commonly affected by IBS than males. The female to male ratio is approximately 1:2. The prevalence of IBS in USA and Europe is 10,000-20,000 per 100,000 individuals. In USA and Australia, 1 in every 10 people fulfill the Rome IV criteria for IBS. In Asia, Africa and South America, IBS is becoming increasingly prevalent as a disease of urbanization and industrialization. This is due to increased access to health care, higher stress levels and differing dietary choices.
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