Objective: The purpose of this scoping review is to identify validated geographic search filters and report their methodology and performance measures.
Introduction: Data on specific geographic areas can be required for evidence syntheses topics, such as the investigation of regional inequalities in health care or to answer context-specific epidemiological questions. Search filters are useful tools for reviewers aiming to identify publications with common characteristics in bibliographic databases. Geographic search filters limit the literature search results to a specific geographic feature (eg, a country or region).
Inclusion criteria: We will include reports on validated geographic search filters that aim to identify research evidence about a defined geographic area (eg, a country/region or a group of countries/regions).
Methods: This review will be conducted in accordance with JBI methodology for scoping reviews. The literature search will be conducted in PubMed and Embase. The InterTASC Information Specialists' Sub-Group Search Filter resource and Google Scholar will also be searched. Reports published in any language, from database inception to the present, will be considered for inclusion. Two researchers will independently screen the title, abstract, and full text of the search results. A third reviewer will be consulted in the event of any disagreements. The data extraction will include study characteristics, basic characteristics of the geographical search filter (eg, country/region), and the methods used to develop and validate the search filter. The extracted data will be summarized narratively and presented in a table.
Review registration: Open Science Framework https://osf.io/5czhs.
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