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Power and sample size estimation: II. Diagnostic and screening tests

โœ Scribed by Dusan Hadzi-Pavlovic


Book ID
111274091
Publisher
John Wiley and Sons
Year
2009
Tongue
Dutch
Weight
561 KB
Volume
21
Category
Article
ISSN
0924-2708

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We consider the power and sample size calculation of diagnostic studies with normally distributed multiple correlated test results. We derive test statistics and obtain power and sample size formulas. The methods are illustrated using an example of comparison of CT and PET scanner for detecting extr