Journal
JOURNAL OF CLINICAL EPIDEMIOLOGY
Volume 149, Issue -, Pages 175-182Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jclinepi.2022.05.012
Keywords
Scoping reviews; Evidence maps; Methodology; Quality; Reporting; mapping reviews
Funding
- Tier 2 Canada Research Chair in Knowledge Synthesis
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This article outlines the main differences between scoping reviews, mapping reviews, and evidence maps. Mapping reviews focus on the effectiveness of a specific intervention, while scoping reviews map a concept of interest in a specific population and context.
Background and Objectives: Scoping reviews, mapping reviews, and evidence map methodologies are increasingly used by researchers. The objective of this article is to outline the main difference between these types of evidence synthesis to improve their conduct. Methods: This article summarizes the key issues facing reviewers, who conduct scoping reviews, mapping reviews, and evidence maps and those who use the results and may engage in consultations during their development. Results: Several differences exist between the methodologies, and these are in their protocol development, scope, inclusion criteria, data extraction, reporting, and use. Mapping reviews are mainly driven by questions of effectiveness of a particular intervention and hence they use the Participant Intervention Comparator Outcome Study type format similar to systematic reviews of effectiveness. Scoping reviews mostly use the Participant, context, concept (PCC) format, where they map a concept of interest relevant to a particular population in a specific setting and context. Data extraction is limited by only coding of studies and intervention characteristics in evidence maps. The results of the mapping reviews can be used inform research priorities and research funding, whereas, scoping reviews result may be used to inform policy development by clarifying key concepts and methods, and further research. Conclusion: We recommend authors who are planning to undertake scoping reviews confirm that their research question can be appropriately answered using a scoping review methodology, however, for broader research questions without the need for an in-depth analysis of the information, we recommend authors to consider mapping reviews. (c) 2022 Elsevier Inc. All rights reserved.
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