Which of the following statements is TRUE regarding "relative risk"

Question

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Relative risk helps to estimate the risk of acquiring a disease by "members" of an exposed group. It compares the incidence rate of a disease between an exposed group and a non-exposed group. Therefore, it is a useful tool for gauging risks involved for a population exposed to disease. Option A is incorrect because the number of new cases of a disease is not necessarily used to calculate relative risk. Option B is incorrect since relative risk is not the total number of cases but rather a comparison between rates. Option D is incorrect since relative risk is a useful tool for estimating the risks involved in an exposed population.

Which of the Following Statements Is TRUE Regarding "Relative Risk