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What is the relationship between prevalence and positive predictive value in a screening test? As prevalence goes up, positive predictive value goes up. Prevalence and

What is the relationship between prevalence and positive predictive value in a screening test? As prevalence goes up, positive predictive value goes up. Prevalence and positive predictive value are the same metric. As prevalence goes up, positive predictive value goes down. There is no relationship between prevalence and positive predictive value

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