P0551 Do Patients in their 90s have More Complications and Unplanned Readmissions than those in their 80s following Primary Total Hip Arthroplasty?

P0552 Dislocation Rates are Increased in Patients with Prior Sacroiliac Joint Fusion who Undergo Primary Total Hip Arthroplasty

P0553 Accuracy of Acetabular Cup Positioning using Patient-Specific Augmented Reality Guidance

P0554 Lower Risk of Revision with 36mm Femoral Heads Compared with 28mm or 32mm in Primary Total Hip Arthroplasty: A Comparative Single-Center Study (10,371 Hips)

P0555 Ten-Year Outcomes of Ceramic on Ceramic Bearing versus Metal on Polyethylene Bearing: A Randomized Controlled Trial in Patients Under 65 Years Undergoing Total Hip Arthroplasty