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Search strategies to identify observational studies in MEDLINE and Embase

2019; Elsevier BV; Volume: 2019; Issue: 10 Linguagem: Inglês

10.1002/14651858.mr000041.pub2

1465-1858

Li Li, Helen Smith, Rifat Atun, Lorainne Tudor Car,

Health Sciences Research and Education

Systematic reviews are essential for decision-making. Systematic reviews on observational studies help answer research questions on aetiology, risk, prognosis, and frequency of rare outcomes or complications. However, identifying observational studies as part of systematic reviews efficiently is challenging due to poor and inconsistent indexing in literature databases. Search strategies that include a methodological filter focusing on study design of observational studies might be useful for improving the precision of the search performance.