Definition of prevalence Prevalence

/pɹɛˈvʌlʌns/ - [prevuluns] - prev•a•lence

We found 10 definitions of prevalence from 6 different sources.

What does prevalence mean?

Noun Plural: prevalences
prevalence - the quality of prevailing generally; being widespread; "he was surprised by the prevalence of optimism about the future"
		generality the quality of being general or widespread or having general applicability
prevalence - (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
		ratio the relative magnitudes of two quantities (usually expressed as a quotient)
prevalence - a superiority in numbers or amount; "a preponderance of evidence against the defendant"
		preponderance
		number, figure an item of merchandise offered for sale; "she preferred the black nylon number"; "this sweater is an all-wool number"

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prevalence (Noun)
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.
prevalence (Noun)
The total number of cases of a disease in the given statistical population at a given time.
prevalence (Noun)
The total number of cases of a disease in the given statistical population at a given time, divided by the number of individuals in the population.

prevalence (n.)
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.

prevalence
The number of people who have a certain condition at any given time.

The Prevalence is a measure from Statistics. The prevalence of a disease in a certain population tries to answer the question of how common the disease is. A simple way to do this is to see how many members of the population have the disease, and divide by the total number of people in the population.

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