Comment on: non-inferiority trial comparing bupivacaine versus liposomal bupivacaine

We read with great interest the article by Elmer et al comparing bupivacaine alone with liposomal bupivacaine (LB) plus bupivacaine.[1][1] We appreciate this important study and wish to highlight two areas for further discussion. The authors state in the ‘Discussion’ that the reduction of