A serological test is being devised to detect a hypothetical chronic disease. Five hundred individuals were referred to

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answerhappygod
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A serological test is being devised to detect a hypothetical chronic disease. Five hundred individuals were referred to

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A serological test is being devised to detect a hypothetical
chronic disease. Five hundred individuals were referred to a
laboratory for testing. Three hundred diagnosed cases were among
the 500. A serological test yielded 200 positives, of which
one-fourth were true positives.
What is the sensitivity, specificity, PPV, NPV,
prevalence, and accuracy?
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