促使进行具有成本效益的检查开单：一项随机对照试验。
Prompting for cost-effective test ordering: a randomized controlled trial.
作者信息
Hollingworth G R, Bernstein R M, Viner G S, Remington J S, Wood W E
机构信息
Clinical Epidemiology Unit, Elisabeth Bruyere Health Centre, University of Ottawa.
出版信息
Proc Annu Symp Comput Appl Med Care. 1995:635-9.
This randomized, controlled trial tests the efficacy of a computerized prompting system for test ordering. The system, makes use of the sensitivity, specificity, positive and negative predictive values of tests. It was tested using clinical vignettes in an academic family medicine center with first and second year residents. We found that there was a 38% decrease in the numbers of tests ordered (p < .01) and a 12% decrease in the costs of tests ordered by using the prompting system. We suggest that when used at the point of the patient encounter, this system has the potential for promoting more appropriate test ordering and for saving considerable health care dollars.
这项随机对照试验测试了一个用于检验医嘱的计算机提示系统的功效。该系统利用了各项检验的敏感度、特异度、阳性预测值和阴性预测值。在一家学术性家庭医学中心，我们使用临床病例 vignettes 对第一年和第二年的住院医师进行了测试。我们发现，使用提示系统后，所开检验单数量减少了 38%（p <.01），所开检验的费用降低了 12%。我们建议，在患者就诊时使用该系统，有可能促进更恰当的检验医嘱开具，并节省可观的医疗费用。
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