Pyloric stenosis epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:

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Epidemiology and Demographics

Incidence

• Pyloric stenosis occurs in 1 of every 200-300 live births

Gender

• It is four times more common in males.

Race

• It is rare in Asians, and it is 2 to 3 times more common in Caucasian compared to African American babies.

Prevalence

• In one study the prevalence of congenital hypertrophic pyloric stenosis in Donetsk region in the course of 11 years (1989-1999) was 0.73:1000 or 1:1370 newborn infants annual with range of 0.54 to 1.01:1000.

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].