In reviewing a study that considered the sensitivity of a particular screening test for HIV, the nurse found 21 true positives, 853 true negatives, 3 false positives, and 5 false negatives. What is the sensitivity of this test?

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Quizplus · Accepted Answer

Sensitivity is the ability of a test to correctly identify those with the disease. It is calculated as the number of true positives divided by the sum of true positives and false negatives. In this case, the sensitivity is 21 / (21 + 5) = 0.808, or 80.8%.

In Reviewing a Study That Considered the Sensitivity of a Particular