Prevalence and Incidence of Epididymitis
Epididymitis Prevalence: Book Excerpts
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Prevalence/Incidence of Epididymitis: Online Medical Books
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for more information about the prevalence and/or incidence of Epididymitis.
Epididymitis:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
Epididymitis is usually a complication of pyogenic bacterial infection of the urinary tract (urethritis or prostatitis). The pyogenic organisms, such as staphylococci, Escherichia coli, streptococci, Chlamydia trachomatis, and Neisseria gonorrhoeae, reach the epididymis through the lumen of the vas deferens. Rarely, epididymitis is secondary to a distant infection, such as pharyngitis or tuberculosis, that spreads through the lymphatics or, less commonly, the bloodstream. Other causes include trauma, gonorrhea, syphilis, or a chlamydial infection. Trauma may reactivate a dormant infection or initiate a new one. Epididymitis may be a complication of prostatectomy and may also result from chemical irritation by extravasation of urine through the vas deferens. The incidence is about 600,000 cases per year, with the highest prevalence in young males ages 19 to 35.
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Source: Professional Guide to Diseases (Eighth Edition), 2005
About prevalence and incidence statistics:
The term 'prevalence' of Epididymitis usually refers to the estimated population
of people who are managing Epididymitis at any given time.
The term 'incidence' of Epididymitis refers to the annual diagnosis rate,
or the number of new cases of Epididymitis 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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