Cholangiocarcinoma epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Farima Kahe M.D. [2] Suveenkrishna Pothuru, M.B,B.S. [3]

Epidemiology and Demographics

Incidence

• The incidence of cholangiocarcinoma is approximately 1-2 per 100,000 individuals in the United States.
• The highest annual incidences of cholangiocarcinoma is 5.5 cases per 100,000 people in Japan, and 7.3 cases per 100,000 people in Israel.

Prevalence

• The prevalence of cholangiocarcinoma is approximately 0.01% to 0.46% per 100,000 individuals.
• The prevalence of cholangiocarcinoma in patients with primary sclerosing cholangitis may be as high as 30%, based on autopsy studies.

Case-fatality rate/Mortality rate

• The mortality rate for intrahepatic cholangiocarcinoma among men increased from 0.17 to 0.78 per 100,000 in period of 1975-1979 to 1993-1997.
• The mortality rate for intrahepatic cholangiocarcinoma among women women increased from 0.12 to 0.57 per 100,000 in period of 1975-1979 to 1993-1997.

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 [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].