We get asked this fairly regularly and due to the breadth of coverage it’s really difficult to succinctly answer. But this image is our best attempt at capturing it:
Note our use of the evidence pyramid!
With regard PubMed (and PubMed Central) this is a bit more information:
- All content from the top 500 journals only (based – broadly – on impact factor)
- All the RCTs in whichever of the 5,000+ journals are in PubMed
- All systematic reviews in whichever of the 5,000+ journals are in PubMed (Trip Pro only)
- All peer-reviewed full-text articles from PubMed Central (Trip Pro only)
I suspect this page will be a ‘living’ document, frequently edited to improve it. So, if you have any questions please let me know – email@example.com