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Table 3 Sensitivity† and specificity‡ of SRA-DM prototype algorithms and EndNote auto-deduplication (in a dataset of 1,988 citations, including 799 duplicates)

From: Better duplicate detection for systematic reviewers: evaluation of Systematic Review Assistant-Deduplication Module

  Respiratory study
First iteration SRA-DM Second iteration SRA-DM Third iteration SRA-DM Fourth iteration SRA-DM EndNote
True positive (n) (correctly identified duplicates) 600 765 543 674 410
False negative (n) (duplicates missed) 199 34 256 125 391
Sensitivity (%) 75.1 95.7 68.0 84.4 51.2
True negative (n) (correctly identified unique records) 1,188 1,186 1,189 1,189 1,185
False positive (n) (incorrectly identified as duplicates) 1 3 0 0 2
Specificity (%) 99.9 99.8 100.0 100.0 99.8