Risk ratio (RR) or relative risk is the ratio of the probability of an outcome in an exposed group to the probability of an outcome in an unexposed group.
Reference: Wikipedia, https://en.wikipedia.org/wiki/Risk_ratio , consulted on july 6th,2019
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Risk ratio (RR) or relative risk is the ratio of the probability of an outcome in an exposed group to the probability of an outcome in an unexposed group.
Reference: Wikipedia, https://en.wikipedia.org/wiki/Risk_ratio , consulted on july 6th,2019

