Urticaria epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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 prevalence of acute urticaria is approximately 12-23.5%. Although the real prevalence is estimated to be even more, since mild cases usually don't seek medical attention.
• Cholinergic urticaria has a 11.2% prevalence in the age group of 16–35 years.

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 urticaria, nevertheless 20-40 years old patients are the most frequent patients who develop urticaria.
• The age of onset is 30 years old in delayed‐pressure urticaria.
• There are some studies demonstrating an inverse relationship between age and disease severity. Based on these studies, older adults have shorter periods of disease.

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

• Females are more commonly affected by urticaria than males. The female to male ratio is approximately 2 to 1.
• The female to male ratio is approximately 5 to 1 in aquagenic urticaria.
• Interestingly delayed pressure urticaria involves males more than females. male to female ratio is 2 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].