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Alexander Pachanov; Catharina Münte; Julian Hirt; Dawid Pieper – Research Synthesis Methods, 2024
While geographic search filters exist, few of them are validated and there are currently none that focus on Germany. We aimed to develop and validate a highly sensitive geographic search filter for MEDLINE (PubMed) that identifies studies about Germany. First, using the relative recall method, we created a gold standard set of studies about…
Descriptors: Search Strategies, Information Retrieval, Online Searching, Web Sites
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Ayiku, Lynda; Levay, Paul; Hudson, Thomas; Finnegan, Amy – Research Synthesis Methods, 2020
Background: The National Institute for Health and Care Excellence's (NICE) United Kingdom (UK) geographic search filters for MEDLINE and Embase (Ovid) retrieve evidence in literature searches for UK-focused research topics with high recall. Their precision and number-needed-to-read (NNR) was examined previously in case studies using a single…
Descriptors: Foreign Countries, Databases, Information Retrieval, Indexing
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Rombey, Tanja; Lochner, Valerie; Puljak, Livia; Könsgen, Nadja; Mathes, Tim; Pieper, Dawid – Research Synthesis Methods, 2020
Background: It is important that systematic reviews (SRs) are up-to-date, otherwise they cannot be relied upon to guide decision-making in practice and policy. Our aim was to investigate epidemiological, descriptive and reporting characteristics of a cross-section of recently published updates of SRs. Methods: A SR update was defined as a new…
Descriptors: Epidemiology, Decision Making, Case Studies, Research Reports
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Huiskens, Joost; Kool, Boudewijn R. J.; Bakker, Jean-Michel; Bruns, Emma R. J.; de Jonge, Stijn W.; Olthof, Pim B.; van Rosmalen, Belle V.; van Gulik, Thomas M.; Hooft, Lotty; Punt, Cornelis J. A. – Research Synthesis Methods, 2020
Introduction: Registration of clinical trials has been initiated in order to assess adherence of the reported results to the original trial protocol. This study aimed to investigate the publication rates, timely dissemination of results, and the prevalence of consistency in hypothesis, sample size, and primary endpoint of Dutch…
Descriptors: Randomized Controlled Trials, Databases, Foreign Countries, Medical Research