Behçet's disease epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Cafer Zorkun, M.D., Ph.D. [2]
Overview
Epidemiology and Demographics
Behçet syndrome is more common (and often more severe) along the ancient silk road, which extends from eastern Asia to the Mediterranean [1]. It is most common in Turkey (80 to 370 cases per 100,000), while the prevalence ranges from 13.5 to 20 per 100,000 in Japan, Korea, China, Iran, and Saudi Arabia [1]. Prevalence in Paris, France in 2003 was 7.1 per 100,000, with rates of 2.4 per 100,000 in those of European ancestry, of 34.6 per 100,000 in those of North African ancestry, and of 17.5 per 100,000 in those of Asian ancestry [2,3]. Estimates of prevalence in the United States and Europe have ranged from 0.12 to 7.5 per 100,000. Analysis of residents of Olmsted County, Minnesota over a 45-year period identified a prevalence of 5.2 per 100,000 [4]. It is somewhat more common in men in the eastern Mediterranean area and in women in north European countries, and it typically affects young adults 20 to 40 years of age [1]. Immigrant and refugee populations from areas of high Behçet syndrome prevalence demonstrate increased risk of disease development [5].
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 prevalence of behcet disease is approximately 80 to 370 per 100,000 individuals in Turkey. [1]
- The prevalence of behcet disease is approximately 13.5 to 20 per 100,000 individuals in Iran, Japan, Korea, China and Saudi Arabia. [1]
- the prevalence ranges from 13.5 to 20 per 100,000 in Japan, Korea, China, Iran, and Saudi Arabia
- 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
- Patients of all age groups may develop [disease name].
- The incidence of [disease name] increases with age; the median age at diagnosis is [#] years.
- [Disease name] commonly affects individuals younger than/older than [number of years] years of age.
- [Chronic disease name] is usually first diagnosed among [age group].
- [Acute disease name] commonly affects [age group].
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
- [Disease name] affects men and women equally.
- [Gender 1] are more commonly affected by [disease name] than [gender 2]. The [gender 1] to [gender 2] ratio is approximately [number > 1] to 1.
Region
- The majority of behcet disease cases are reported along the ancient silk road ( from eastern Asia to the Mediterranean)[1]
- Behcet disease is most common in Trukey.
- [Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].