Comparison of search recall of broad versus focused electronic search strategies
This protocol is extracted from research article:
Search methods for prognostic factor systematic reviews: a methodologic investigation
J Med Libr Assoc, Jan 1, 2021; DOI: 10.5195/jmla.2021.939

The first component of Hayden et al.'s search strategy was a focused electronic search for prognostic factor studies (supplemental Appendix A) that combined search terms for low back pain, a prognosis filter, and terms related to the prognostic factor of interest, in this case, recovery expectations. To assess the feasibility of running a broad electronic search versus a focused search combined with supplementary methods, in November 2019, we used Ovid MEDLINE to rerun Hayden et al.'s focused search (low back pain AND prognosis filter AND recovery expectations) and compare its recall with that of a broader search without recovery expectations terms (low back pain AND prognosis filter).

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