Correction: Publication Bias in Recent Meta-Analyses
نویسندگان
چکیده
منابع مشابه
Publication Bias in Recent Meta-Analyses
INTRODUCTION Positive results have a greater chance of being published and outcomes that are statistically significant have a greater chance of being fully reported. One consequence of research underreporting is that it may influence the sample of studies that is available for a meta-analysis. Smaller studies are often characterized by larger effects in published meta-analyses, which can be pos...
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OBJECTIVE To examine variables related with publication bias assessment in a sample of systematic reviews with meta-analysis on cardiovascular diseases. DESIGN Systematic review of meta-analyses. SETTING Journals indexed in Medline and the Cochrane Library. STUDY POPULATION 225 reviews with meta-analysis published between 1990 and 2002. DATA COLLECTION Data from meta-analyses were gathe...
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OBJECTIVE To assess the effect of publication bias on the results and conclusions of systematic reviews and meta-analyses. DESIGN Analysis of published meta-analyses by trim and fill method. STUDIES 48 reviews in Cochrane Database of Systematic Reviews that considered a binary endpoint and contained 10 or more individual studies. MAIN OUTCOME MEASURES Number of reviews with missing studie...
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Publication bias is the term for what occurs whenever the research that appears in the published literature is systematically unrepresentative of the population of completed studies. Simply put, when the research that is readily available differs in its results from the results of all the research that has been done in an area, readers and reviewers of that research are in danger of drawing the...
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BACKGROUND The validity of a meta-analysis can be understood better in light of the possible impact of publication bias. The majority of the methods to investigate publication bias in terms of small study-effects are developed for meta-analyses of intervention studies, leaving authors of diagnostic test accuracy (DTA) systematic reviews with limited guidance. The aim of this study was to evalua...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2013
ISSN: 1932-6203
DOI: 10.1371/annotation/51ecf224-b045-4424-8beb-de155769d429