[方法学漫谈。十、诊断程序的测试]
[Roaming through methodology. X. The testing of diagnostic procedures].
作者信息
Bossuyt P M, Lijmer J G, Mol B W
机构信息
Academisch Medisch Centrum, afd. Klinische Epidemiologie en Biostatistiek, Amsterdam.
出版信息
Ned Tijdschr Geneeskd. 1998 Oct 24;142(43):2345-7.
In this era of evidence-based medicine, diagnostic tests cannot escape close scrutiny of their effectiveness. Sensitivity and specificity have up till now played a central role in the evaluation of diagnostic tests. These terms are not without their shortcomings when it comes to the characterisation of a test's true worth for patients. Randomised clinical trials are increasingly used for evaluation of medical tests and outlining of strategy. The indirect relationship between test results and health outcome creates additional challenges for designers of such trials.
在这个循证医学时代，诊断测试无法逃避对其有效性的严格审查。到目前为止，敏感性和特异性在诊断测试的评估中发挥了核心作用。然而，在描述一项测试对患者的真正价值时，这些术语并非没有缺点。随机临床试验越来越多地用于医学测试的评估和策略的制定。测试结果与健康结果之间的间接关系给此类试验的设计者带来了额外的挑战。
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