Odds Ratios

A graph showing how the log odds ratio relates to the underlying probabilities of the outcome $X$ occurring in two groups, denoted $A$ and $B$. The log odds ratio shown here is based on the odds for the event occurring in group $B$ relative to the odds for the event occurring in group $A$. Thus, when the probability of $X$ occurring in group $B$ is greater than the probability of $X$ occurring in group $A$, the odds ratio is greater than $1$, and the log odds ratio is greater than $0$.

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Odds Ratios

Odds Ratios

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