“…This search was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement 6. The authors used the same methodology employed in previous studies of technology utilization in joint replacement7 and outcomes by gender in joint replacement 8. All possible combinations of the following keywords were used for the search: “healthcare disparities,” “hip arthroplasty,” “knee arthroplasty,” “hip replacement,” “knee replacement,” “total joint arthroplasty,” “joint replacement,” “THA,” “TKA,” “outcomes,” “social determinants,” “gender,” “inequities,” “inequality,” “bias,” “utilization rate,” “demographic factors,” and “sex.” The literature search was limited to studies published in the last 20 yr from February 14, 2001, to February 14, 2021.…”