Due to an effective prevention program, the pre valence of an infectious disease in a community has been reduced by 90%. A physician continues to use the same diagnostic test for the disease that she has always used. How have the test’s characteristics changed?

Question

Accepted Answer

Its sensitivity has increased

Answer

Its positive predictive value has increased

Answer

The test’s characteristics have not changed

Answer

Its negative predictive value has increased

Due to an effective prevention program, the pre valence of an infectious disease in a community has been reduced by 90%. A physician continues to use the same diagnostic test for the disease that she has always used. How have the test’s characteristics changed?

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