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What is In a coho study conducted, out of those exposed to risk factor 10 are diseased and out of those non - exposed to risk factor only 5 are diseased. What is the Relative risk? and explain in detail?
Relative risk = Incidence among exposed / incidence among non - exposed Incidence among exposed is 10, Incidence among non - exposed is 5 Thus, relative risk is 10/5 = 2 Relative risk 2 implies that association is present; and risk of development of disease among exposed is twice as common as compared to non - exposed.