نتایج جستجو برای: diagnostic performance
تعداد نتایج: 1319366 فیلتر نتایج به سال:
The area under the receiver operating characteristic curve is a widely used index to characterize the performance of diagnostic tests and prediction models. However, the index does not explicitly acknowledge the utilities of risk predictions. Moreover, for most clinical settings, what counts is whether a prediction model can guide therapeutic decisions in a way that improves patient outcomes, r...
Background: The aim of this study is to explore the safety and diagnostic performance of dual-source CT scan in comparison with single source CT scan and conventional angiography in patients with coronary heart diseases.Materials and methods: A systematic review was performed using CRD standard methods. The Cochrane Library, MEDLINE, EMBASE، Google Scholar and TRIP were searched up to April 200...
Finding and fixing a network performance or configuration problem is a difficult and complex task. It requires time, energy, and expertise to track down problems and it is difficult for users to know whom to contact when the source and destination computers are located in different administrative domains. This paper describes a novel new way of performing the basic diagnostic function needed to...
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