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Number of unique included references by each specific database
| Database | Number of reviews that used the database | Number of reviews with unique references | Number of unique references |
|---|---|---|---|
| Embase | 58 | 29 (50%) | 132 (45%) |
| MEDLINE | 58 | 27 (47%) | 69 (24%) |
| Web of Science | 58 | 19 (33%) | 37 (13%) |
| Google Scholar | 58 | 24 (41%) | 37 (13%) |
| CINAHL | 18 | 1 (6%) | 6 (2%) |
| Scopus | 24 | 3 (13%) | 5 (2%) |
| PsycINFO | 11 | 1 (9%) | 2 (1%) |
| SportDiscus | 2 | 2 (100%) | 3 (1%) |
