Positive and Negative Predictive Values in Test Results (Prevalence 0–5%)
Author: 00alphaExecutions: 560
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Calculate the positive predictive value and negative predictive value for test results within a prevalence range of 0–5%, and display them in graphs and tables.
Positive predictive value = sensitivity × prevalence / (sensitivity × prevalence + (1 − prevalence) × (1 − specificity))
Negative predictive value = specificity × (1 – prevalence) / (specificity × (1 – prevalence) + prevalence × (1 – sensitivity))
Negative predictive value = specificity × (1 – prevalence) / (specificity × (1 – prevalence) + prevalence × (1 – sensitivity))
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