Melnyk and Fineout-Overhold [4] describe an evidence table where the level of evidence is as follows (from highest to lowest rank): Systematic review of multiple random controlled trials.

Attornies are often tasked with collecting evidence and establishing a burden of proof on behalf of a plaintiff. There are three levels of the burden of proof that determine the amount of evidence ...

This study combines findings from high-quality systematic reviews (ie, level 1 evidence) with clinical reasoning from clinicians considered as international experts in the management of PFP, similar ...