134 Comparing Current Uncemented, Hybrid, and Cemented Implant Combinations in Older Patients Undergoing Primary Total Hip Arthroplasty: A New Zealand Joint Registry Study

135 Neighborhood Socioeconomic Disadvantages Associated with Increased Rates of Revisions, Readmissions, and Complications after Total Joint Arthroplasty

136 Order of Operation Matters in Concomitant Hip and Spine Pathology

137 Comparison of Lidocaine versus Bupivacaine Neuraxial Anesthesia in Total Hip Arthroplasty: A Randomized, Double-Blind, Prospective Study

138 Medicaid Patients Undergo Total Joint Arthroplasty at Lower Volume Hospitals by Lower Volume Surgeons