Titlebook: Medical Decision Making; A Health Economic Pr Stefan Felder,Thomas Mayrhofer Textbook 20111st edition Springer-Verlag Berlin Heidelberg 201

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us tests where the test result is determined by the decision maker. Finally, the topic is examined in the context of health economics by introducing a trade-off between enjoying health and consuming other goods, so that the extent of treatment and thus the potential improvement in the patient’s health become endogenous.. .978-3-642-18330-0

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Treatment Decisions with Diagnostic Tests,dditional expected utility resulting from the use of the test. We differentiate between a perfect and an imperfect test. A perfect test provides informational value over the whole prevalence range, while the value of information of an imperfect test is zero at the boundaries of the prevalence range.

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The Optimal Cutoff Point of a Diagnostic Test,by setting a cutoff point. A good example is the prostate specific antigen (PSA) test for the detection of prostate cancer in men. The analysis of the blood sample results in a PSA value which the physician declares positive or negative, depending on his chosen cutoff point. We demonstrate how the o

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,A Test’s Total Value of Information,t of a test’s total value of information over the entire prevalence range within which it is used. To gain a dimensionless measure we compare a given test with a perfect test. The resulting performance index lies between zero and one, where zero implies a useless test and one a perfect one.

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