Rates
Rates (Medicine)
Rates (pronounced: /ˈreɪts/) in the field of medicine refers to the frequency or occurrence of a particular phenomenon, typically disease or health-related events, in a specific population over a certain period of time.
Etymology
The term 'rate' is derived from the Latin word 'rata', which means 'fixed, settled'. In the context of medicine, it is used to quantify the occurrence of health-related events.
Definition
In medicine, rates are used as a measure to determine the frequency of health events in a defined population within a specific period of time. They are often used in Epidemiology to measure the risk or probability of disease occurrence in a population. Rates can be specific to a particular disease (Disease-specific rates), age group (Age-specific rates), or geographic location (Geographic-specific rates).
Types of Rates
There are several types of rates used in medicine, including:
- Incidence rate: The number of new cases of a disease that occur in a defined population within a specified period of time.
- Prevalence rate: The total number of cases of a disease in a defined population at a specific point in time.
- Mortality rate: The number of deaths due to a specific cause in a defined population within a specified period of time.
- Morbidity rate: The number of individuals who have a specific disease during a particular period of time.
Related Terms
- Epidemiology: The study of how often diseases occur in different groups of people and why.
- Incidence: The number of new cases of a disease that occur in a specific population within a specific period of time.
- Prevalence: The total number of cases of a disease existing in a population at a specific point in time.
- Mortality: The state of being subject to death; death rate.
- Morbidity: The condition of being diseased.
External links
- Medical encyclopedia article on Rates
- Wikipedia's article - Rates
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