This study utilizes an all-payer database to compare 90-d and 1-year outcomes between marijuana and non-marijuana users undergoing total hip arthroplasty (THA). The primary aim of this study focused on 90-d and 1-year opioid consumption among marijuana users and non-users who underwent THA. Our secondary aim focused on comparing 90-d and 1-year rates of readmissions, revisions and adverse events between the two groups. A retrospective review was performed in the Mariner Database for all …