Prevalence and Incidence of Klippel Feil Syndrome
Prevalance of Klippel Feil Syndrome:
rare ... see also overview of Klippel Feil Syndrome.
Klippel Feil Syndrome: Rare Disease
Klippel Feil Syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Klippel Feil Syndrome, or a subtype of Klippel Feil Syndrome,
affects less than 200,000 people in the US population.
Ophanet, who are a consortium of European partners,
currently defines a condition rare when if affects 1 person per 2,000.
They list Klippel Feil Syndrome as a "rare disease".
More information about Klippel Feil Syndrome is available from Orphanet
Klippel Feil Syndrome Prevalence: Book Excerpts
Prevalence/Incidence of Klippel Feil Syndrome: Online Medical Books
16 MEDICAL BOOKS ONLINE!
Review excerpts from medical books online, free, without registration,
for more information about the prevalence and/or incidence of Klippel Feil Syndrome.
Laryngeal cancer:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
In laryngeal cancer, major predisposing factors include smoking and alcoholism; minor factors include chronic inhalation of noxious fumes and familial tendency. Cancer of the larynx rarely occurs in nonsmokers.
Laryngeal cancer is classified according to its location:
❑supraglottis (false vocal cords)
❑glottis (true vocal cords)
❑subglottis (downward extension from vocal cords [rare]).
The ratio of male to female incidence is 3.8:1. Most victims are between ages 50 and 65.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
Cervicitis:
Cervicitis - epidemiology
(The 5-Minute Pediatric Consult)
The true incidence of mucopurulent cervicitis is unknown, but the primary causes (gonorrhea/chlamydia) are more common in adolescents and young adults than any other age group. Because many patients are asymptomatic and the interpretation and presence of the clinical signs is quite variable, many cases go undiagnosed.
» READ BOOK EXCERPT ONLINE »
Source: The 5-Minute Pediatric Consult, 2008
About prevalence and incidence statistics:
The term 'prevalence' of Klippel Feil Syndrome usually refers to the estimated population
of people who are managing Klippel Feil Syndrome at any given time.
The term 'incidence' of Klippel Feil Syndrome refers to the annual diagnosis rate,
or the number of new cases of Klippel Feil Syndrome 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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