Module 4

Question 1

what are likelihood ratios

Answer 1

indicates the likelihood that a given test result will be expected in a Pt with the target disorder, compared to the likelihood that the same result would be expected in a Pt without the target disorder
can help determine post-test probability

Question 2

what is specificity

Answer 2

true negative
all disease negatives
proportion of patients w/o disease that test negative for disease

Question 3

what is sensitivity

Answer 3

true positive
all disease positives
proportion of patients w/ disease that test positive for disease