Likelihood ratio
Definition
A positive likelihood ratio is sensitivity divided by one minus specificity; a negative likelihood ratio is one minus sensitivity divided by specificity. Ratios far from 1, such as above 10 or below 0.1, change the probability a lot; ratios near 1 barely change it.
Topics that use it
Related terms
Definitions here are general. They do not say what any profession may do in any state; that is set by each state’s law. Back to the full glossary