Systematic Literature Reviews and Meta-Analyses
نویسندگان
چکیده
منابع مشابه
Systematic Literature Reviews and Meta-Analyses
E very year, there is a great increase in the number of scientific publications. For example, the literature database PubMed registered 361 000 new publications in 1987, with 448 000 in 1997 and 766 000 in 2007 (research in Medline, last updated in January 2009). These figures make it clear how increasingly difficult it is for physicians in private practice, clinicians and scientists to obtain ...
متن کاملSystematic reviews and meta-analyses: black boxes of medical literature?
Essentially, a systematic review uses systematic and explicit methods to identify, select and critically appraise relevant research to answer a clearly formulated question. It collects and analyses data from the studies that are included in the review [1]. A meta-analysis aims to combine the quantitative results of these studies by statistical methods. Its purpose is to provide a summarized and...
متن کامل[Systematic reviews and meta-analyses].
Systematic reviews form a potential method for overcoming the barriers faced by clinicians when trying to access and interpret evidence to inform their practice. This fourth article in the Evidence-Based Medicine and Healthcare series of the Singapore Medical Journal introduces readers to systematic reviews, outlining why they are important, describing their methods and providing readers with t...
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You are the medical director of your local hospice. After the annual budget review, the hospice’s director comes to you to see if there are treatments being given that are not supported by evidence. In particular, use of supplemental home oxygen was identified as a significant expenditure. The director asks your opinion about whether supplemental oxygen is likely to relieve shortness of breath ...
متن کاملEvaluating systematic reviews and meta-analyses.
Systematic review and meta-analysis procedures make use of explicit methods to methodically search and critically appraise and synthesize the medical care research literature. The methods involve refining a clinical question, designing a search procedure to find eligible studies, and determining the validity of the eligible studies. Independent data extraction by two or more reviewers is prefer...
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ژورنال
عنوان ژورنال: Deutsches Aerzteblatt Online
سال: 2009
ISSN: 1866-0452
DOI: 10.3238/arztebl.2009.0456