Please enable JavaScript.
Coggle requires JavaScript to display documents.
epidemiology_4 diagnosis and screening (false positive (unnecessary…
epidemiology_4 diagnosis and screening
false positive
unnecessary treatment
costs, risks
unnecessary investigations
costs, risks
negative labelling
sad and worry
+
-
v dis
x dis
total
total
A (true+) B (false+)
C (false-) D (true-)
sensitivity A/(A+C) x100%
specificity D/(B+D) x100%
positive predictive value A/(A+B) x 100%
negative predictive value D/(C+D) x 100%
1-PPV = false positive rate
1-NPV= false negative rate
prevalence
1-prevalence