Table 1.
Databases searched in 300 systematic reviews
| Category | Name of database | Count (%) |
|---|---|---|
| Critically-appraised databases |
Cochrane library |
228 (76.0%) |
| DARE |
14 (4.7%) |
|
| CENTRAL |
101 (33.7%) |
|
| PEDro |
7 (2.3%) |
|
| Health Technology Assessment Database (HTA) |
6 (2.0%) |
|
| Indexing and abstracting databases |
MEDLINE |
236 (78.9%) |
| EMBASE |
190 (63.5%) |
|
| PubMed |
86 (28.7%) |
|
| CINAHL |
52 (17.4%) |
|
| PsycINFO |
24 (8.1%) |
|
| ERIC |
12 (4.0%) |
|
| LILACS |
12 (4.0%) |
|
| AMED Allied and Complementary Medicine |
15 (5.0%) |
|
| HealthSTAR |
6 (2.0%) |
|
| BIOSIS |
6 (2.0%) |
|
| Chinese/ China Biological Medicine Database |
5 (1.7%) |
|
| Citation searching |
Scopus |
16 (5.4%) |
| ISI Web of Science |
8 (2.7%) |
|
| Trials registry |
National Research Register |
10 (3.3%) |
| Clinicaltrials.gov |
9 (3.0%) |
|
| FDA Repository |
3 (1.0%) |
|
| Online full-text journals |
BioMed Central |
4 (1.3%) |
| Web search |
Google Scholar |
8 (2.7%) |
| Hand searching | Conference proceedings | 6 (2.0%) |
Note: Other databases (n = 19, searched in <1% of reviews) included PROQUEST, International Pharmaceutical Abstracts, AEGIS, Popline and African Journals Online, Index for Australian Medical Literature, CBMdisc, Eastern Mediterranean Index, EBM Reviews, Health Economic Evaluations Database (HEED), European Society, ExtraMed, Imbiomed, Korean Studies Information Service System (KISS), Oxford Database of Perinatal Trials, Scholars Portal, York Centre for Reviews and Dissemination, International Pharmaceutical, and National Research Register.