Evaluating the proportion of retrieved citations and relevant studies when database selection is restricted to MEDLINE, CENTRAL and Embase: Part 4 of a meta-research study of rapid review methodological trade-offs.
OBJECTIVE Rapid reviews streamline systematic review methods to provide evidence for decision-makers more efficiently. A common methodological trade-off is the restriction of database selection. We aimed to determine the proportion of citations retrieved and recall when restricting database selection in three systemati...