Positive Likelihood Ratio Calculator
Positive Likelihood Ratio Calculator . Predictive values and likelihood ratios given the prevalence of a condition within the population and the sensitivity and specificity of a test designed to indicate the presence of that condition, this page will calculate the predictive values of the test (probabilities for true positive, true negative, false positive. Related calculators international normalized ratio (inr) Diagnostic odds ratio Science without sense…double nonsense from www.cienciasinseso.com The more the likelihood ratio for a positive test (lr+) is greater than 1, the more likely the disease or outcome. The likelihood ratio provides a direct estimate of how much a test result will change the odds of having a disease, and incorporates both the sensitivity and specificity of the test. A positive likelihood ratio, or lr+, is the “probability that a positive test would be expected in a patient divided by the probability that a positive test would be expected in a patient without a...