LOCATE: a prospective evaluation of the value of Leveraging Ongoing Citation Acquisition Techniques for living Evidence syntheses

Table 2 Records retrieved and screened and trials included using each of the search approaches

Search approach	Records retrieved and screened by title and abstract	Records screened by full text	Eligible trials^a	Included trials^b
Automated Full Search	816	21	7	4
Similar Articles (PubMed)	452	11	1	0
Citing References (Scopus)	244	7	1	1
Total from complementary approaches	1512	39	9	4
Reference standard (full search update at 1 year)	611 (505 after duplicates removed)	24	4	4

^aEligible trials were those that met the eligibility criteria for the SR
^bIncluded studies were those that met the eligibility criteria and had not been previously located by another (or the same) search approach. One study (Chen et al. [25]) was located in the same month by the Automated Full Search and the Scopus Cited References search

ISSN: 2046-4053