STATISTICS Flashcards
1
Q
How is SENSITIVITY calculated?
A
TP/ (TP+FN)
2
Q
How is SPECIFICITY calculated?
A
TN/ (TN+FP)
3
Q
How is PPV calculated?
A
TP/ (TP+FP)
ALL THE POSITIVES
The PPV is the probability that a positive result means you have the disease
4
Q
How is NPV calculated?
A
TN/ (TN+FN)
ALL THE NEGATIVES
The chance that a negative test result means you do not have the disease