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How does positive predictive value depend on prevalence of the disease?

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  • How does positive predictive value depend on prevalence of the disease?


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... Prevalence and Predictive Values . 1. ... test result to actually have the disease? ... on Positive Predictive Value (PPV) as Prevalence ...
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Positive: 65 %
Positive predictive value ... A critical concept is that PPV depends on the prevalence of the disease. ... as likelihood ratios do not depend on prevalence.
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Positive: 62 %

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Clinical tests: sensitivity and specificity. ... Positive and negative predictive values are useful ... on the prevalence of the disease in the ...
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Positive: 65 %
... result is positive (positive predictive value) or the likelihood that the patient does not have the disease ... the prevalence of disease ...
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Positive: 60 %
Sensitivity, Specificity, Predictive Values ... to the prevalence of the disease in the ... predictive value of a positive ...
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Positive: 46 %
Definitions of Positive predictive value, ... Its value does however depend on the prevalence of the outcome ... Positive predictive value = Σ True Positive
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Positive: 23 %

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