Relative risk
The ratio of the incidence rate or the mortality rate from the disease of interest such as cancer in an exposed population to that in an unexposed population.
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from ICRP Publication 131, 2015
An expression of overall risk (i.e. including the radiation-induced risk) relative to the underlying baseline risk. If the total risk is twice the underlying baseline risk, the RR is 2.
from ICRP Publication 126, 2014
The ratio of the incidence rate or the mortality rate from the disease of interest (i.e. lung cancer) in an exposed population to that in an unexposed population.
from ICRP Publication 118, 2012
An expression of risk relative to the underlying baseline risk. If the total risk is twice the underlying baseline risk, the relative risk is 2.
from ICRP Publication 115, 2010
The ratio of the incidence rate or the mortality rate from the disease of interest (e.g. lung cancer) in an exposed population to that in an unexposed population.