Statistics

Question 1

Sensitivity

Answer 1

Given that the patient has the disease, what are the chances the test will be positive
TP/ (TP +FN)

Question 2

Specificity

Answer 2

Ability to correctly EXCLUDE the disease in the patient

SPOUT

TN/ (TN+FP)

Question 3

PPV

Answer 3

Given that that test is positive, what is the chance that the patient has the disease?

TP / (TP+FP)

Question 4

NPV

Answer 4

Given that the test is negative, what is the chance that the patient does not have the disease?

TN/ (TN+FN)

Question 5

Incidence

Answer 5

New cases over a given period of time