Laboratory Medicine Flashcards
1
Q
How do you calculate diagnostic sensitivity?
A
True positive / (TP + FN)
2
Q
How do you calculate diagnostic specificity?
A
True negative / (TN + FP)
3
Q
How do you calculate positive predictive value (PPV)?
A
True positives / All positives
4
Q
How do you calculate negative predictive value (NPV)?
A
True negatives / All negatives
