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Sample size calculation should be performed for design accuracy in diagnostic test studies

✍ Scribed by Antoine Flahault; Michel Cadilhac; Guy Thomas

Book ID
116622688
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
160 KB
Volume
58
Category
Article
ISSN
0895-4356

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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