The sensitivity of a test is the number of true-positive test results divided by the number of all patients with the disease.
sensitivity =
= (a / (a + c))
where:
• a = true positives
• a + c = true positives + false negatives = all people with disease
Comments:
• The better the seNsitivity of the test, the fewer the false Negatives.
• The sensitivity is the true positive rate.
