Module 6 Flashcards
what is a true positive
test is positive and disease is present
what is a false positive
test is positive and disease is not present
what is a false negative
test is negative and disease is present
what is a true negative
test is negative and disease is not present
what is the sensitivity calculation
(#TP / #TP + #FN) x 100
what is sensitivity
the ability of a test to correctly identify individuals who have a given disease or condition
what does 100% sensitivity mea
detects all people with a disease no false negativesw
what is specificity
the ability of a test to correctly exclude individuals who do not have a given disease or condition
what is 100% specificity
detects all people without a disease
no false positives
what is the specificity calculation
(#TN / #TN + #FP) x 100
what is positive predictive value
How likely that if you are told it is positive, condition is actually present
what is the positive predictive value calculation
(#TP / #TP + #FP) x 100