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A screening test is applied to a population of 1,000 in which the prevalence of the...

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Advance Math

  1. A screening test is applied to a population of 1,000 in whichthe prevalence of the disease in question is 10%. The sensitivityof this test is 96% and the specificity is 92%. The cost ofscreening the 1000 people is $50 (fifty dollars) per person. Anewer screening test has the same sensitivity, a specificity of96%, but costs $0.50 (fifty cents) moreper test than the older screening test. For each person with apositive result from either test, a follow-up diagnostic test mustbe done that costs an additional $50 (fifty dollars).
    1. Calculate how much money would be saved or lost by choosing thenewer screening test (1)?

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