Prevalence and Incidence of Hand eczema
Hand eczema Prevalence: Book Excerpts
Prevalence/Incidence of Hand eczema: Online Medical Books
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for more information about the prevalence and/or incidence of Hand eczema.
Dermatitis:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
The cause of atopic dermatitis is unknown, but a genetic predisposition may be exacerbated by such factors as food allergies, infections, irritating chemicals, temperature and humidity, and emotions. Approximately 10% of childhood cases are due to allergy to certain foods, particularly eggs, peanuts, milk, fish, soy, and wheat. Atopic dermatitis tends to flare up in response to extremes in temperature and humidity. Other causes of flare-ups are sweating and psychological stress.
An important secondary cause of atopic dermatitis is irritation, which seems to change the epidermal structure, allowing immunoglobulin (Ig) E activity to increase. Consequently, chronic skin irritation usually continues even after exposure to the allergen has ended or after the irritation has been systemically controlled.
Atopic dermatitis is most common in infants, usually developing between ages 1 month and 1 year, commonly in those with strong family histories of atopic disease. At least half of those cases clear by age 36 months. These children often acquire other atopic disorders as they grow older. Typically, this form of dermatitis flares and subsides repeatedly before finally resolving during adolescence. However, it can persist into adulthood. In adults, it’s generally chronic or recurring.
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Source: Professional Guide to Diseases (Eighth Edition), 2005
About prevalence and incidence statistics:
The term 'prevalence' of Hand eczema usually refers to the estimated population
of people who are managing Hand eczema at any given time.
The term 'incidence' of Hand eczema refers to the annual diagnosis rate,
or the number of new cases of Hand eczema diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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