It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
The strongest evidence is in the secondary or pre-appraised research.
The 6S model evidence pyramid
DiCenso A, Bayley L, Haynes B. Accessing preappraised evidence: fine-tuning the 5S model into a 6S model, ACP J Club. 2009; Vol 151 Issue 3: p1
The pyramid is divided into levels with the strongest evidence at the top - start at the top and drill down
Begin with ‘Summaries’ as ‘Systems’ is not widely used. If you cannot find the information in ‘Summaries’ continue down the pyramid remembering that the strength of the evidence decreases as you go further down the pyramid.
Evidence-based guidelines – highest level in Summaries
Australian Clinical Practice Guidelines Portal (National Health and Medical Research Council) (https://www.clinicalguidelines.gov.au/)