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A large number of taxonomies are used to rate the quality of an individual study and the strength of a recommendation based on a body of evidence. We have developed a new grading scale that will be used by several family medicine and primary care journals (required or optional), with the goal of allowing readers to learn one taxonomy that will apply to many(More)
OBJECTIVE To identify the most frequent obstacles preventing physicians from answering their patient-care questions and the most requested improvements to clinical information resources. DESIGN Qualitative analysis of questions asked by 48 randomly selected generalist physicians during ambulatory care. MEASUREMENTS Frequency of reported obstacles to(More)
BACKGROUND There is significant heterogeneity in reported sensitivities and specificities of diagnostic serological assays for Chagas disease, as might be expected from studies that vary widely according to setting, research design, antigens employed, and reference standard. The purpose of this study is to summarize the reported accuracy of serological(More)
This project develops a computational method to improve searches of the medical literature by selecting the studies that report reliable evidence of patient-oriented outcomes. These outcomes include morbidity, mortality, symptom severity, and quality of life. Four machine learning methods, Support Vector Machines, na¨ıve bayes, na¨ıve bayes multinomial and(More)
STUDY OBJECTIVE The objective of this study is to systematically review the accuracy of the Alvarado score and Pediatric Appendicitis Score and to identify optimal cutoffs for low- and high-risk populations. METHODS We performed a systematic review of the literature and identified 26 studies of the accuracy of the Alvarado score and Pediatric Appendicitis(More)
BACKGROUND Cardiopulmonary resuscitation (CPR) is an intervention used in cases of cardiac arrest to revive patients whose heart has stopped. Because cardiac arrest can have potentially devastating outcomes such as severe neurological deficits even if CPR is performed, patients must be involved in determining in advance if they want CPR in the case of an(More)
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