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Table 5 False positives from default algorithms for each de-duplication method by publication type

From: Considerations for conducting systematic reviews: evaluating the performance of different methods for de-duplicating references

 

Primary research publications

Non-primary research publications

 

Full-text articles

Conference proceedings/abstracts

All

Ovid multifile search

0

0

0

0

EndNote X9a

81/208 (39%)

4/208 (2%)

85/208 (41%)

113/208 (54%)

Mendeley

3/17 (18%)

1/17 (6%)

4/17 (24%)

13/17 (76%)

Zotero

1/20 (5%)

10/20 (50%)

11/20 (55%)

9/20 (45%)

Covidence

0/2 (0%)

0/2 (0%)

0/2 (0%)

2/2 (100%)

Rayyanb

11/52 (21%)

5/52 (10%)

16/52 (31%)

34/52(65%)

  1. aUnable to retrieve full-text publication for 10 false-positive duplicate references within EndNote X9
  2. bUnable to retrieve full-text publication for 2 false-positive duplicate references within Rayyan