Attributable risk

In epidemiology, attributable risk or excess risk is a term synonymous to risk difference, that has also been used to denote attributable fraction among the exposed and attributable fraction for the population.[1]

See also

Population Impact Measures

References

Porta M (ed.). Dictionary of Epidemiology (6th ed.). Oxford University Press. p. 14. doi:10.1093/acref/9780199976720.001.0001. ISBN 978-0-19-939006-9.

Clinical research and experimental design

Overview

Controlled study
(EBM I to II-1)

Randomized controlled trial

Observational study
(EBM II-2 to II-3)

Occurrence	Incidence, Cumulative incidence, Prevalence, Point prevalence, Period prevalence
Association	Risk difference, Number needed to treat, Number needed to harm, Risk ratio, Relative risk reduction, Odds ratio, Hazard ratio
Population impact	Attributable fraction among the exposed, Attributable fraction for the population, Preventable fraction among the unexposed, Preventable fraction for the population
Other	Clinical endpoint, Virulence, Infectivity, Mortality rate, Morbidity, Case fatality rate, Specificity and sensitivity, Likelihood-ratios, Pre- and post-test probability

Trial/test types

Analysis of clinical trials

Interpretation of results

Category
Glossary
List of topics

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