Anal fistula epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2]
Overview
Epidemiology and Demographics
Incidence
- The prevalence of anal fistula is approximately 1-2 per 10,000 individuals worldwide.
- In England, the prevalence of anal fistula is approximately 18.4 per 100000 per year.
- In Spain, the prevalence of anal fistula is approximately 1.04 per 10,000 per year.
- In Italy, the prevalence of anal fistula is approximately 2.32 per 10,000 per year.[1][2]
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
Anal fistula commonly affects individuals in the third, fourth, and fifth decades, with a peak around 40 years of age.[3]
Race
- There is no racial predilection to [disease name].
- [Disease name] usually affects individuals of the [race 1] race. [Race 2] individuals are less likely to develop [disease name].
Gender
Men are twice more commonly affected by anal fistula than women.
Region
- The majority of [disease name] cases are reported in [geographical region].
- [Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
Developed Countries
Developing Countries
References
- ↑ Zanotti C, Martinez-Puente C, Pascual I, Pascual M, Herreros D, García-Olmo D (2007). "An assessment of the incidence of fistula-in-ano in four countries of the European Union". Int J Colorectal Dis. 22 (12): 1459–62. doi:10.1007/s00384-007-0334-7. PMID 17554546.
- ↑ Sainio P (1984). "Fistula-in-ano in a defined population. Incidence and epidemiological aspects". Ann Chir Gynaecol. 73 (4): 219–24. PMID 6508203.
- ↑ "Management of anal fistula | The BMJ".