Rate
Rate (medical term)
Rate (/reɪt/), in the context of medicine, refers to the speed or frequency at which an event or process occurs, typically within a particular period or set of circumstances.
Etymology
The term 'rate' originates from the Latin word 'rata', which means 'fixed, settled'. It was first used in the English language in the late 14th century.
Definition
In medicine, a rate is a measure of the speed or frequency of occurrence of a particular event in a defined population. It is often used in epidemiology, the study of how often diseases occur in different groups of people and why, to quantify the occurrence of health-related events.
Related Terms
- Incidence rate: The number of new cases of a disease divided by the number of persons at risk of the disease in the same time period.
- Mortality rate: A measure of the number of deaths in a population, scaled to the size of that population, per unit of time.
- Prevalence rate: The total number of cases of a disease existing in a population divided by the total population.
- Birth rate: The number of live births per 1,000 in a population in a year or period.
- Heart rate: The speed of the heartbeat measured by the number of contractions (beats) of the heart per minute (bpm).
See Also
External links
- Medical encyclopedia article on Rate
- Wikipedia's article - Rate
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