User:Gastro guy/ibd prev

Who Gets IBS?
Studies have reported prevalence of IBS as varying by country and by age range examined, with international travel being a risk factor. A study of United States residents returning from international travel found a high rate of IBS and persistent diarrhea which developed during travel and persisted upon return. The study examined 83 subjects in Utah, most of whom were returning missionaries. Of the 68 who completed the gastrointestinal questionnaire, 27 reported persistent diarrhea that developed while traveling, and 10 reported persistent IBS that developed while traveling.

Studies have reported higher incidences of IBS in developing countries. The following table contains a list of studies performed in different countries that measured the prevalence of IBS and IBS-like symptoms: