$$ \text{Odds} = \frac{\text{Probability}(Y=1)}{\text{Probability}(Y=0)} $$
$$ \frac{\text{True Positive + True Negative }}{\text{Total number of observations}} $$
$$ \frac{\text{True Positive}}{\text{True Positive + False Positive}} $$
$$ \frac{\text{True Positive}}{\text{True Positive + False Negative}} $$