All::Clinical Science::Statistics::Odds and odds ratio

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Intro

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In statistics, what is meant by odds?

Its a ratio of the number of people who incur a particular outcome to the number of people who do not incur the outcome

Odds and odds ratio

In statistics, what is meant by odds ratio?

the ratio of the odds of a particular outcome with experimental treatment and that of control.

Odds and odds ratio

Why is Odds ratios useful in case-control studies?

Odds ratio can approximates to relative risk if the outcome of interest is rare.

Odds and odds ratio