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コンプリート! odds ratio vs relative risk cohort 203022-Why is odds ratio better than relative risk

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About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How works Test new features Press Copyright Contact us Creators The relative risk tells us the ratio of the probability of an event occurring in a treatment group to the probability of an event occurring in a control group It is calculated as Relative risk = A/ (AB) / C/ (CD) In short, here's the difference An odds ratio is a ratio of two odds Relative risk is a ratio of two probabilitiesOdds ratio (OR) is measure of disease association OR = odds of exposure among cases/odds of exposure in noncases = ad/bc Relative risk (RR)Odds ratio is always larger than Relative Risk, sometimes a lot larger 2 Odds ratios are only useful in true case control studies, which are done because the true incidence of the disease isOne O has an R (cohORt), which means one group 1 Why is odds ratio better than relative risk