Search approach | Records screened by title and abstract | Duplicates screened | Records screened by full text | Screening time, hours (days)a |
---|---|---|---|---|
Automated Full Search | 816 | 187 | 21 | 17.1 (2.1) |
Similar Articles (PubMed) | 452 | 3 | 11 | 9.4 (1.2) |
Citing References (Scopus) | 244 | 136 | 7 | 5.2 (0.7) |
Total from complementary approaches | 1512 | 326 | 39 | 31.7 (4.5) |
Reference standard (full search update at 1 year) | 505 | 0 (removed) | 24 | 12.4 (1.6) |