A New Assay Is Used to Test 120 Samples from Patients

question 7

Multiple Choice

A new assay is used to test 120 samples from patients with a clinically confirmed diagnosis of the relevant infection and 50 samples from healthy control subjects.The test results were positive for 90 of the infected patients and positive for 10 of the healthy controls.
-What is the sensitivity of the assay?

• A)57%
• B)75%
• C)80%
• D)90%

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