Table 3 Proportion of SRs included in individual databases and their combination with MEDLINE and reference checking
From: Database combinations to retrieve systematic reviews in overviews of reviews: a methodological study
Database | single database % [95% CI] | database + references % [95% CI] | MEDLINE + one database + references; % [95% CI] |
|---|---|---|---|
MEDLINE | 89.7% [89.0 to 90.3%] | 93.7% [93.2 to 94.2%] | Â |
CINAHL | 44.7% [43.7 to 45.7%] | Â | 94.6% [94.1 to 94.2%] |
Embase | 83.7% [82.9 to 84.5%] | Â | 94.8% [94.4 to 95.3%] |
Epistemonikos | 85.6% [84.7 to 86.5%] | Â | 99.2% [99.0 to 99.3%] |
PsycINFO | 24.5% [23.1 to 26.0%] | Â | 95.1% [94.7 to 95.5%] |
TRIP | 52.6% [51.0 to 54.1%] | Â | 96.3% [95.9 to 96.7%] |