Calculator


Positive Likelihood Ratio
sensitivity / (1 - specificity)
Negative Likelihood Ratio
(1 - sensitivity) / specificity
Odds ratio
sensitivity x specificity
(1 - sensitivity) x (1 - specificity)
Positive predictive value
sensitivity x prevalence
sensitivity x prevalence + (1 - specificity) x (1 - prevalence)
Negative predictive value
specificity x (1 - prevalence)
(1- sensitivity) x prevalence + specificity x (1 - prevalence)


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