Table 1.
Details of included meta-analyses
| Variable | Number |
|---|---|
| Number of Meta-Analyses | 100 (100.0) |
| Librarian Involved (%) | 20 (20.0) |
| Journal (%) | |
| ➢ Annals of Internal Medicine | 12 (12.0) |
| ➢ Annals of The Rheumatic Diseases | 10 (10.0) |
| ➢ Circulation | 10 (10.0) |
| ➢ European Heart Journal | 13 (13.0) |
| ➢ Gastroenterology | 12 (12.0) |
| ➢ Gut | 8 (8.0) |
| ➢ Journal of American College of Cardiology | 11 (11.0) |
| ➢ The Journal of The American Medical Association | 10 (10.0) |
| ➢ Lancet | 7 (7.0) |
| ➢ World Psychiatry | 7 (7.0) |
| Journal Impact Factor (2017 Clarivate) (Mean (SD)) | 24.79 (12.2) |
| ScImago Rank (Mean (SD)) | 8.96 (2.0) |
| Journal Guidelines Availability (%) | 39 (39.0) |
| Compliance with Journal Guidelines (%) | 39 (39.0) |
| Area (%) | |
| ➢ Cardiovascular | 40 (40.0) |
| ➢ Gastroenterology | 24 (24.0) |
| ➢ Preventive Medicine and Epidemiology | 15 (15.0) |
| ➢ Psychiatry | 9 (9.0) |
| ➢ Rheumatology | 12 (12.0) |
| Meta-analysis of randomized controlled trials (%) | 28 (28.0) |
| Network meta-analysis (%) | 10 (10.0) |
| Number of Included Studies meta-analysis (Mean (SD)) | 45.0 (57.5) |