Evidence-Based Medicine in Otolaryngology Part 4: Everyday ProbabilitiesNonbinary Diagnostic Tests

被引：9
作者：
Shin, Jennifer J. [1 ]
Stinnett, Sandra S. [2 ]
Randolph, Gregory W. [3 ]
机构：
[1] Harvard Univ, Sch Med, Div Otolaryngol, Boston, MA 02114 USA
[2] Duke Univ, Dept Biostatist & Bioinformat, Durham, NC USA
[3] Harvard Univ, Sch Med, Div Gen Otolaryngol & Thyroid Parathyroid Surg, Boston, MA 02114 USA
来源：
OTOLARYNGOLOGY-HEAD AND NECK SURGERY | 2013年 / 149卷 / 02期
关键词：
evidence-based medicine; diagnostic tests; sensitivity; specificity; positive predictive value; negative predictive value; likelihood ratio;
D O I：
10.1177/0194599813491070
中图分类号：
R76 [耳鼻咽喉科学];
学科分类号：
100213 ;
摘要：
Many diagnostic tests have nonbinary results. Thus, this fourth installment of our series in evidence-based medicine in otolaryngology focuses on understanding diagnostic tests with more than 2 possible results. We begin with a brief review of the types of multilevel results to be considered: continuous, ordinal, and nominal. Next, we discuss each of type in greater detail, including the methods to determine the posttest probability associated with each type of test result. The use of serial diagnostic tests and practicalities are also discussed. Frequently used diagnostic tests are utilized as examples.
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收藏
页码：179 / 186
页数：8
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