Temporal arteritis epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Epidemiology and Demographics
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
- 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].
Developed Countries
Developing Countries
Age
The mean age of onset is about 70 years and is rare at less than 50 years of age.
Because temporal arteritis is a disease of the elderly, the prevalence of the disease is very dependent upon the age of the population. As a result, there is a lower prevalence in countries with a shorter or reduced life expectancy.
Gender
It is more common in females than males by a ratio of 3.7:1.
Race
It is more prevalent in caucasians.
Prevalence
Most likely as a result of increased clinical recognition of the syndrome, the incidence of temporal arteritis increased between 1950 and 1975 from 5.1 to 17.4 incident cases per 100,000 population per year in persons aged 50 years and older in Olmsted County, Minnesota. More recently in this population, the prevalence was even higher at 133 cases per 100,000 in persons aged 50 years and older.
There is not much data regarding the prevalence of disease outside the US, but given the variation in life expectancy and demographics, the prevalence is thought to vary significantly. The highest reported rates of disease outside the US are in Scandinavia, where the prevalence is 23.3-33.6 per 100,000 people older than 50 years.