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Prevalence - Dictionary Definition and Overview |
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Prevalence : (noun)
1: the quality of prevailing generally; being widespread; "he
was surprised by the prevalence of optimism about the
future"
2: (epidemiology) the ratio (for a given time period) of the
number of occurrences of a disease or event to the number
of units at risk in the population
3: a superiority in numbers or amount; "there is a
preponderance of Blacks in our prisons" [syn: preponderance]
Based on WordNet 2.0
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Prevalence : \Prev"a*lence\, n. [L. praevalentia: cf. F.
pr['e]valence. See Prevail.]
The quality or condition of being prevalent; superior
strength, force, or influence; general existence, reception,
or practice; wide extension; as, the prevalence of virtue, of
a fashion, or of a disease; the prevalence of a rumor.
The duke better knew what kind of argument were of
prevalence with him. --Clarendon.
Based on Webster's Revised Unabridged Dictionary
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Prevalence : Prevalence: The proportion of individuals in a population having a disease. Prevalence is a statistical concept referring to the number of cases of a disease that are present in a particular
population at a given time.
Based on Webster's Revised Unabridged Dictionary (1913)
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