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The positive predictive value (PPV), or precision, is defined as = + = where a "true positive" is the event that the test makes a positive prediction, and the subject has a positive result under the gold standard, and a "false positive" is the event that the test makes a positive prediction, and the subject has a negative result under the gold standard.
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PPV is best understood by comparison to two other approaches where a penalty is applied for risk: The risk-adjusted rate of return applies a risk-penalty by increasing the discount rate when calculating the Net Present Value (NPV); The certainty equivalent approach does this by adjusting the cash-flow numerators of the NPV formula.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... = FP / PP = 1 − PPV: Negative predictive value ...
The woman who pleaded guilty to dressing as a clown and fatally shooting the wife of a man she later would marry has been released from prison, according to Florida Department of Corrections ...
At first glance, Daisy looks like your stereotypical grandmother: She loves knitting and talking about her family, has a cat named Fluffy, is technologically inept and has plenty of time to shoot ...
The penultimate College Football Playoff rankings will be released Tuesday. Our projection of how the top 10 will look ahead of championship weekend.
On the other hand, this hypothetical test demonstrates very accurate detection of cancer-free individuals (NPV ≈ 99.5%). Therefore, when used for routine colorectal cancer screening with asymptomatic adults, a negative result supplies important data for the patient and doctor, such as ruling out cancer as the cause of gastrointestinal ...