What you need to know about statistics Part I: validity of diagnostic and screening tests

被引：0
|
作者：
Ronald L. Thomas
Marwan A. Zidan
Thomas L. Slovis
机构：
[1] Wayne State University School of Medicine,Department of Pediatrics, Children’s Research Center of Michigan, Pediatric Prevention Research Unit
[2] Wayne State University School of Medicine,Department of Pediatric Radiology, Children’s Hospital of Michigan
来源：
Pediatric Radiology | 2015年 / 45卷
关键词：
Statistics; Diagnostic and screening tests; Sensitivity; Specificity; Validity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The intent of this manuscript is to provide guidance and support to clinicians and investigators for reporting the results of screening and diagnostic tests. This article is the first of two parts addressing statistics in imaging research. In this part validity measures are discussed. In part II reliability measures will be discussed. In discussing validity, the following concepts will be introduced: (1) functions of diagnostic tests, (2) statistical characteristics of diagnostic tests and application of validity measures, (3) power and sample size for testing the sensitivity and specificity of the diagnostic test, (4) statistical versus clinical significance and (5) characteristics of a useful diagnostic test.
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页码：146 / 152
页数：6
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