نتایج جستجو برای: rand appropriateness method
تعداد نتایج: 1641897 فیلتر نتایج به سال:
BACKGROUND To update appropriateness ratings for carotid endarterectomy using the best clinical evidence and to develop a tool to audit the procedure's use. METHODS A nine-member expert panel drawn from all the Canadian Specialist societies that are involved in the care of patients with carotid artery disease, used the RAND Appropriateness Methodology to rate scenarios where carotid endartere...
Careful selection of bariatric patients is critical for successful outcomes. In 1991, the NIH first established patient selection guidelines; however, some surgeons operate on individuals outside of these criteria, i.e., extreme age groups. We developed appropriateness criteria for the spectrum of patient characteristics including age, BMI, and severity of eight obesity-related comorbidities. C...
BACKGROUND AND OBJECTIVES Venous thromboembolism (VTE) is a complex disorder influenced by numerous risk factors, and occurs frequently in at-risk hospitalized patients. Because appropriate prevention with thromboprophylaxis is underused, we wanted to create an electronic tool to provide a simple risk assessment and suggest appropriate prophylaxis. DESIGN AND METHODS To develop the risk matri...
OBJECTIVE To establish evidence-based guidelines for the use of bedside cardiac ultrasound, echocardiography, in the ICU and equivalent care sites. METHODS Grading of Recommendations, Assessment, Development and Evaluation system was used to rank the "levels" of quality of evidence into high (A), moderate (B), or low (C) and to determine the "strength" of recommendations as either strong (str...
Work by this group has shown that there is a wide range of opinion as to patients' suitability for endoscopy. In a recent study, 1297 questionnaires were sent to a random selection of doctors, including 350 general physicians, 400 surgeons, 477 gastroenterologists, and 70 general practitioners. The respondent was asked to indicate whether or not he would refer the patient described by each case...
ABSTRACT We propose an effective method for clustering unknown speech utterances based on their associated speakers. The method jointly optimizes the generated clusters and the required number of clusters by estimating and minimizing the Rand index. The metric reflects the clustering errors that arise when utterances from the same speaker are placed in different clusters; or when utterances fro...
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