Prevalent

From WikiMD.org
Jump to navigation Jump to search

Prevalent

Prevalent (/prɛvələnt/), from the Latin word "praevalentia", meaning "having power or influence", is a term used in medicine and epidemiology to describe the commonness or widespread occurrence of a disease or condition in a particular population or area at a particular time.

Definition

In epidemiology, prevalence is a measure of disease frequency. It is calculated by dividing the number of existing cases by the total population, and it is often expressed as a percentage. 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.

Types of Prevalence

There are two types of prevalence: point prevalence and period prevalence.

  • Point prevalence refers to the proportion of a population that has a disease or condition at a specific point in time.
  • Period prevalence refers to the proportion of a population that has a disease or condition over a specific period of time.

Related Terms

  • Incidence - The number of new cases of a disease that occur in a specific population during a specified period.
  • Morbidity - The state of being diseased or unhealthy within a population.
  • Mortality - The death rate within a population.

See Also

External links

Esculaap.svg

This WikiMD dictionary article is a stub. You can help make it a full article.


Languages: - East Asian 中文, 日本, 한국어, South Asian हिन्दी, Urdu, বাংলা, తెలుగు, தமிழ், ಕನ್ನಡ,
Southeast Asian Indonesian, Vietnamese, Thai, မြန်မာဘာသာ, European español, Deutsch, français, русский, português do Brasil, Italian, polski