PREDICTIVE VALUE AND INFORMATIONAL VALUE OF DIAGNOSTIC-TEST RESULTS

被引：0
|
作者：
JOHNSON, HA
机构：
来源：
ANNALS OF CLINICAL AND LABORATORY SCIENCE | 1993年 / 23卷 / 02期
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中图分类号：
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号：
1001 ;
摘要：
If clinical quality assurance and cost-effectiveness of diagnostic testing are to be measured, some sort of measurement of the clinical value of a test result is needed. The predictive value of a test result is not a real measure of its clinical value, and, particularly when used in the later stages of a diagnostic workup, it can be misleading. Using the same data that go into a calculation of predictive value, the clinical value can be determined according to the amount of useful information that is provided by a test result. Cost-effectiveness can be expressed as dollars per bit of diagnostic information.
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页码：159 / 164
页数：6
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