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Analyses of Evidence for Hierarchy and Levels of Evidence: an Exploratory Quantitative Synthesis

*, Senthil P Kumar and Sisodia, Vaishali (2013) Analyses of Evidence for Hierarchy and Levels of Evidence: an Exploratory Quantitative Synthesis. Ibnosina Journal of Medicine and Biomedical Sciences, 5 (3). pp. 131-139.

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Abstract

Background: Among the recognized steps in EBP, evaluating and critically appraising research evidence on effectiveness of an intervention is an essential step that acts as a determinant in forming the link between obtained evidence and implementation in practice. Objective: To critically summarize and identify the results of analyses of levels of evidence published in journals indexed in PubMed. Methods: A systematic overview and quantitative analysis of selected 45 published reviews was performed to identify relevant themes in levels of evidence. The types of analyses (specialty-based, practice-based, journal-based, and conference-based) were categorized and sub-categorized for the studies on levels of evidence. Results: Of the 45 included studies, specialty-based analysis for levels of evidence were done in 12 articles, journal-based analysis in 5 articles, practice-based analysis in 25 articles, and conference- based analysis in 3 articles. Among the practice-based articles, 10 were on assessment and 15 were on treatment. Urology had more studies on analysis of levels of evidence, and very few studies analyzed journals and their content for the same. Three studies were analyses of conference abstracts, all of them in the field of orthopedics. Conclusion: There were greater number of studies on practice, in Urology, multiple journals, biomarkers in assessment, and equal representation of pharmacological and allied treatments. There is need for future reviews and analysis of levels of evidence in many unexplored areas of relevance.

Item Type: Article
Uncontrolled Keywords: Evidence analysis, Level of evidence, Critical appraisal, Study designs.
Subjects: Allied Health > Mangalore Campus > Physiotherapy
Depositing User: KMCMLR User
Date Deposited: 27 Jun 2013 11:19
Last Modified: 27 Jun 2013 11:19
URI: http://eprints.manipal.edu/id/eprint/136406

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