Irritable bowel syndrome epidemiology and demographics: Difference between revisions
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* The prevalence of IBS in the pediatric population of different geographical settings is similar. | * The prevalence of IBS in the pediatric population of different geographical settings is similar. | ||
* In the Western pediatric population, IBS is the commonest cause of functional RAP as it accounts for more than 50% of all cases. | * In the Western pediatric population, IBS is the commonest cause of functional RAP as it accounts for more than 50% of all cases.<ref name="pmid7714688">{{cite journal |vauthors=Hyams JS, Treem WR, Justinich CJ, Davis P, Shoup M, Burke G |title=Characterization of symptoms in children with recurrent abdominal pain: resemblance to irritable bowel syndrome |journal=J. Pediatr. Gastroenterol. Nutr. |volume=20 |issue=2 |pages=209–14 |year=1995 |pmid=7714688 |doi= |url=}}</ref><ref name="pmid15290263">{{cite journal |vauthors=El-Matary W, Spray C, Sandhu B |title=Irritable bowel syndrome: the commonest cause of recurrent abdominal pain in children |journal=Eur. J. Pediatr. |volume=163 |issue=10 |pages=584–8 |year=2004 |pmid=15290263 |doi=10.1007/s00431-004-1503-0 |url=}}</ref> | ||
* A greater prevalence of IBS has been found in girls worldwide. | * A greater prevalence of IBS has been found in girls worldwide. | ||
* In Asia, the ratio of girls affected as compared to boys is higher. | * In Asia, the ratio of girls affected as compared to boys is higher.<ref name="pmid22837878">{{cite journal |vauthors=Rajindrajith S, Devanarayana NM |title=Subtypes and Symptomatology of Irritable Bowel Syndrome in Children and Adolescents: A School-based Survey Using Rome III Criteria |journal=J Neurogastroenterol Motil |volume=18 |issue=3 |pages=298–304 |year=2012 |pmid=22837878 |pmc=3400818 |doi=10.5056/jnm.2012.18.3.298 |url=}}</ref><ref name="pmid16140684">{{cite journal |vauthors=Dong L, Dingguo L, Xiaoxing X, Hanming L |title=An epidemiologic study of irritable bowel syndrome in adolescents and children in China: a school-based study |journal=Pediatrics |volume=116 |issue=3 |pages=e393–6 |year=2005 |pmid=16140684 |doi=10.1542/peds.2004-2764 |url=}}</ref> | ||
===Region=== | ===Region=== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
Numerous studies have reported that the prevalence of IBS varies by country and by age range examined.
Epidemiology and Demographics
- Prevalence of IBS depends on the diagnostic criteria and varies with geographical and demographic distribution. [1]
- Data from USA and Europe suggests that the prevalence of IBS is 10.000 - 20,000 per 100,000 individuals. [1]
- The worldwide prevalence for IBS based on the criteria such as Manning, Rome I, Rome II or Rome II is 11,200 per 100,000 individuals. [1]
Developed Countries
The following table contains a list of studies performed in different countries that measured the prevalence of IBS and IBS-like symptoms:
| Percentage of Population Reporting Symptoms of IBS in Various Studies from Various Geographic Areas | |||
|---|---|---|---|
| Country | Prevalence | Author/Year | Notes |
| Canada | 6%[2] | Boivin, 2001 | |
| Japan | 10%[3] | Quigley, 2006 | Study measured prevalence of GI abdominal pain/cramping |
| United Kingdom | 8.2%[4]
10.5%[5] |
Ehlin, 2003
Wilson, 2004 |
Prevalence increased substantially 1970-2004 |
| United States | 14.1%[6] | Hungin, 2005 | Most undiagnosed |
| United States | 15%[2] | Boivin,2001 | Estimate |
Returning Travelers: 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.[7]
Developing Countries
| Percentage of Population Reporting Symptoms of IBS in Various Studies from Various Geographic Areas | |||
|---|---|---|---|
| Country | Prevalence | Author/Year | Notes |
| Brazil | 43%[3] | Quigley, 2006 | Study measured prevalence of GI abdominal pain/cramping |
| Mexico City | 35%[8] | Schmulson, 2006 | n=324. Also measured functional diarrhea and functional vomiting. High rates attributed to "stress of living in a populated city." |
| Mexico | 46%[3] | Quigley, 2006 | Study measured prevalence of GI abdominal pain/cramping |
| Pakistan | 14%[9] | Jafri, 2007 | Much more common in 16-30 age range. Of IBS patients, 56% male, 44% female |
| Pakistan | 34%[10] | Jafri,2005 | College students |
Epidemiology and Demographics
- IBS is an extremely common disorder in the population. [11][12][13]
- In USA and Australia, 1 in every 10 people fulfill the Rome Ⅲ criteria for IBS, although most of them tend to go undiagnosed.
- In Asian countries, IBS is underdiagnosed as risk factors for infection and dietary patterns are undergoing change.[14]
Incidence
- The incidence/prevalence of [disease name] is approximately [number range] per 100,000 individuals worldwide.
- In [year], the incidence/prevalence of [disease name] was estimated to be [number range] cases per 100,000 individuals worldwide.
Prevalence
- The incidence/prevalence of [disease name] is approximately [number range] per 100,000 individuals worldwide.
- In [year], the incidence/prevalence of [disease name] was estimated to be [number range] cases per 100,000 individuals worldwide.
- The prevalence of [disease/malignancy] is estimated to be [number] cases annually.
Case-fatality rate/Mortality rate
- In [year], the incidence of [disease name] is approximately [number range] per 100,000 individuals with a case-fatality rate/mortality rate of [number range]%.
- The case-fatality rate/mortality rate of [disease name] is approximately [number range].
Age
- The incidence of IBS decreases with age; the median age at diagnosis is 20 years.
- IBS commonly affects individuals younger than 45 years of age.
Race
- There is no racial predilection to IBS.
Gender
- Women are more commonly affected by IBS than men due to a combination of social and biological factors.
- The likelihood of diagnosis is 2-3 times more in women as compared to men.
- Health care seeking behavior for symptoms is 4-5 times higher in women as compared to men.
- It has been postulated that the fluctuation of sex hormones in women during the menstrual cycle causing exacerbation of symptoms.
- 33 in every 100 patients have a history of sexual abuse, with women mostly as victims.
- Women have a lower threshold for pain and are at greater risk for development of functional and chronic pain disorders such as IBS and fibromyalgia.
Children
- The prevalence of IBS in the pediatric population of different geographical settings is similar.
- In the Western pediatric population, IBS is the commonest cause of functional RAP as it accounts for more than 50% of all cases.[15][16]
- A greater prevalence of IBS has been found in girls worldwide.
- In Asia, the ratio of girls affected as compared to boys is higher.[17][18]
Region
- The majority of IBS cases are reported in USA and Australia.
- The prevalence of IBS in the pediatric population of different geographical settings is similar.
Developed Countries
- In USA and Australia, 1 in every 10 people fulfill the Rome Ⅲ criteria for IBS, although most of them tend to go undiagnosed.
Developing Countries
- In Asian countries, IBS is underdiagnosed as risk factors for infection and dietary patterns are undergoing change.
References
- ↑ 1.0 1.1 1.2 Gwee KA, Ghoshal UC, Chen M (2017). "Irritable bowel syndrome in Asia: pathogenesis, natural history, epidemiology and management". J. Gastroenterol. Hepatol. doi:10.1111/jgh.13987. PMID 28901578.
- ↑ 2.0 2.1 Boivin M. (2001 Oct;15). "Socioeconomic impact of irritable bowel syndrome in". Canada. Can J Gastroenterol. Suppl B: :8B-11B. PMID 11694908. Check date values in:
|year=(help) - ↑ 3.0 3.1 3.2 Quigley EM, Locke GR, Mueller-Lissner S, Paulo LG, Tytgat GN, Helfrich I, Schaefer E. Prevalence and management of abdominal cramping and pain: a multinational survey. (2006 Jul). "Aliment Pharmacol Ther". 24 (2): 411–9. PMID 16842469. Check date values in:
|year=(help) - ↑ Ehlin AG, Montgomery SM, Ekbom A, Pounder RE, Wakefield AJ. (2003 Aug). "Prevalence of gastrointestinal diseases in two British national birth cohorts". Gut. 52 (8): 1117-21. PMID 12865268. Check date values in:
|year=(help) - ↑ Wilson S, Roberts L, Roalfe A, Bridge P, Singh S. (2004). "Prevalence of irritable bowel syndrome: a community survey". Br J Gen Pract. 54 (504): 495-502. PMID 15239910.
- ↑ Hungin AP, Chang L, Locke GR, Dennis EH, Barghout V (2005). "Irritable bowel syndrome in the United States: prevalence, symptom patterns and impact". Aliment. Pharmacol. Ther. 21 (11): 1365–75. doi:10.1111/j.1365-2036.2005.02463.x. PMID 15932367.
- ↑ Tuteja AK, Talley NJ, Gelman SS, Adler SC, Thompson C, Tolman K, Hale DC.
E. (2007). "Development of Functional Diarrhea, Constipation, Irritable Bowel Syndrome, and Dyspepsia During and After Traveling Outside the USA". Dig. Dis. Sci. PMID 17549631. line feed character in
|author=at position 74 (help) - ↑ Schmulson M, Ortiz O, Santiago-Lomeli M, Gutierrez-Reyes G, Gutierrez-Ruiz MC, Robles-Diaz G, Morgan D. (2006). "Frequency of functional bowel disorders among healthy volunteers in Mexico City" (PDF). Dig Dis. 24: :342-7. PMID 16849861. Unknown parameter
|oissue=ignored (help) - ↑ Jafri W, Yakoob J, Jafri N Islam M, Ali QM. (2007 Jun). "Irritable bowel syndrome and health seeking behaviour in different communities of Pakistan". J Pak Med Assoc. 57 (6): 285–7. PMID 17629228. Check date values in:
|year=(help) - ↑ Jafri W, Yakoob J, Jafri N, Islam M, Ali QM. (2005 Oct-Dec). "Frequency of irritable bowel syndrome in college students". J Ayub Med Coll Abbottabad. 4 (17): 9–11. PMID 16599025. Check date values in:
|year=(help) - ↑ Thompson WG, Longstreth GF, Drossman DA, Heaton KW, Irvine EJ, Müller-Lissner SA (1999). "Functional bowel disorders and functional abdominal pain". Gut. 45 Suppl 2: II43–7. PMC 1766683. PMID 10457044.
- ↑ Talley NJ, Spiller R (2002). "Irritable bowel syndrome: a little understood organic bowel disease?". Lancet. 360 (9332): 555–64. doi:10.1016/S0140-6736(02)09712-X. PMID 12241674.
- ↑ Boyce PM, Talley NJ, Burke C, Koloski NA (2006). "Epidemiology of the functional gastrointestinal disorders diagnosed according to Rome II criteria: an Australian population-based study". Intern Med J. 36 (1): 28–36. doi:10.1111/j.1445-5994.2006.01006.x. PMID 16409310.
- ↑ Gwee KA (2005). "Irritable bowel syndrome in developing countries--a disorder of civilization or colonization?". Neurogastroenterol. Motil. 17 (3): 317–24. doi:10.1111/j.1365-2982.2005.00627.x. PMID 15916618.
- ↑ Hyams JS, Treem WR, Justinich CJ, Davis P, Shoup M, Burke G (1995). "Characterization of symptoms in children with recurrent abdominal pain: resemblance to irritable bowel syndrome". J. Pediatr. Gastroenterol. Nutr. 20 (2): 209–14. PMID 7714688.
- ↑ El-Matary W, Spray C, Sandhu B (2004). "Irritable bowel syndrome: the commonest cause of recurrent abdominal pain in children". Eur. J. Pediatr. 163 (10): 584–8. doi:10.1007/s00431-004-1503-0. PMID 15290263.
- ↑ Rajindrajith S, Devanarayana NM (2012). "Subtypes and Symptomatology of Irritable Bowel Syndrome in Children and Adolescents: A School-based Survey Using Rome III Criteria". J Neurogastroenterol Motil. 18 (3): 298–304. doi:10.5056/jnm.2012.18.3.298. PMC 3400818. PMID 22837878.
- ↑ Dong L, Dingguo L, Xiaoxing X, Hanming L (2005). "An epidemiologic study of irritable bowel syndrome in adolescents and children in China: a school-based study". Pediatrics. 116 (3): e393–6. doi:10.1542/peds.2004-2764. PMID 16140684.