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Sample size calculations in studies of test accuracy

โœ Scribed by Obuchowski, Nancy A


Book ID
125494055
Publisher
SAGE Publications
Year
1998
Tongue
English
Weight
633 KB
Volume
7
Category
Article
ISSN
0962-2802

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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