What is meant by a positive likelihood ratio?
A) The likelihood that a negative test will decrease the probability that the pathology is absent
B) The likelihood that a positive test will decrease the probability that the pathology is present
C) The likelihood that a positive test will enhance the probability that the pathology is present
D) The likelihood that a negative test will enhance the probability that the pathology is present

Question

Quizplus · Accepted Answer

A positive likelihood ratio is the likelihood that a positive test result will enhance the probability that the pathology is present. It indicates how much the odds of the disease increase when a positive test result is obtained. A value greater than 1 suggests that the test is good at detecting the disease.

What Is Meant by a Positive Likelihood Ratio