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Pieper, Dawid; Hoffmann, Falk – Research Synthesis Methods, 2022
Cochrane reviews are known to be a high-quality source of evidence synthesis supporting health care decisions. In a recently conducted study, we analyzed the trends in epidemiology and reporting of published systematic reviews over the last 20 years. This sample of 1132 systematic reviews included 84 Cochrane reviews. We have learned several…
Descriptors: Evidence, Health Services, Decision Making, Medical Research
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Casey, Monica; Raynor, Michael; Jacob, Catherine; Sharp, Stephen; McFarlane, Emma – Research Synthesis Methods, 2020
Introduction and aim: NICE guideline surveillance determines whether previously published guidelines need updating. The surveillance process must balance time constraints with methodological rigor. It includes a rapid review to identify new evidence to contradict, reinforce or clarify guideline recommendations. Despite this approach, the screening…
Descriptors: Search Strategies, Guidelines, Information Retrieval, Databases
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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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Rogers, Morwenna; Bethel, Alison; Abbott, Rebecca – Research Synthesis Methods, 2018
Background: Qualitative research in dementia improves understanding of the experience of people affected by dementia. Searching databases for qualitative studies is problematic. Qualitative-specific search strategies might help with locating studies. Objective: To examine the effectiveness (sensitivity and precision) of 5 qualitative strategies on…
Descriptors: Dementia, Databases, Medical Research, Qualitative Research