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Table 3 Search performance metrics for each of the complementary approaches compared to the reference standard approach

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

Search approach Proportion missed (%) Precision (%) Sensitivity (%) Number needed to read
Automated Full Search 0 0.49 100 204
Similar Articles (PubMed) 75 0.22 25 455
Cited References (Scopus) 75 0.41 25 244
Reference standard (full search update at 1 year) Not applicable 0.79 Not applicable 127