QUICKmedicine app

positive predictive value

FREE subscriptions for doctors and students... click here
You have 3 open access pages.


Positive predictive value:

  • true positives / (true positives + false positives) x100

i.e. the proportion of screening tests that are correct.

 Target Disorder PresentTarget Disorder Absent
Test result positiveTrue Positive (TP)False Positive (FP)
Test result negativeFalse Negative (FN)True Negative (TN)