Occurrence
Occurrence (Medicine)
Occurrence (pronunciation: /əˈkərəns/) is a term used in the field of medicine to denote the frequency or rate at which a particular event, such as a disease or condition, appears in a population. The term is derived from the Latin word 'occurrere', which means 'to run to meet, to happen'.
Definition
In epidemiology, an occurrence refers to the number of new instances of a particular disease in a population during a specific period of time. This is often expressed as a rate (the number of occurrences divided by the total population at risk) and is used to measure the risk of a disease.
Related Terms
- Incidence: The number of new cases of a disease that occur in a specific population during a specified period of time.
- Prevalence: The total number of cases of a disease in a population at a specific point in time.
- Morbidity: The rate of disease in a population.
- Mortality: The rate of death in a population.
Usage
The term occurrence is used in various contexts in medicine. For example, it is used to describe the frequency of diseases, symptoms, and risk factors in different populations. It is also used in the context of clinical trials to describe the frequency of adverse events or side effects.
See Also
External links
- Medical encyclopedia article on Occurrence
- Wikipedia's article - Occurrence
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