Absolute risk (or AR) is the probability or chance of an event. It is usually used for the number of events (such as a disease) that occurred in a group, divided by the number of people in that group.
Absolute risk is one of the most understandable ways of communicating health risks to the general public.
See also
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Absolute risk reduction
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Relative risk
The relative risk (RR) or risk ratio is the ratio of the probability of an outcome in an exposed group to the probability of an outcome in an unexposed group. Together with risk difference and odds ratio, relative risk measures the association b ...
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Relative risk reduction
External links
Know Your Chances: Understanding Health Statistics
References
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Medical terminology