Encyclopedia of Public Health

2008 Edition
| Editors: Wilhelm Kirch

Relative Outcome Risk

Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-5614-7_2976

Synonyms

Cumulative incidence ratio; Relative risk

Definition

The risk ratio (RR) of an event is the risk of the outcome in the treatment group (or exposed group) divided by the risk in the control group (or unexposed group). RR is an example of exposure effects used in connection with dichotomous outcomes. When the exposure factor under study is a risk factor \( \text{RR} > 1 \)

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Copyright information

© Springer-Verlag 2008