PREVALENCE

Prevalence

In epidemiology, the prevalence or prevalence proportion is the proportion of a population found to have a condition . It is arrived at by comparing the number of people found to have the condition with the total number of people studied, and is usually expressed as a fraction, as a percentage or as the number of cases per 10,000 or 100,000 people. "Point prevalence" is the proportion of a population that has the condition at a specific point in time. "Period prevalence" is the proportion of a population that has the condition at some time during a given period, and includes people who already have the condition at the start of ...

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prevalence

Noun

  1. 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.
  2. The total number of cases of a disease in the given statistical population at a given time.
  3. 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.


The above text is a snippet from Wiktionary: prevalence
and as such is available under the Creative Commons Attribution/Share-Alike License.

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