370 Optimizing Cup Position with a Mathematical Model of the Hip-Spine Interaction

371 Establishing an Optimal Age to Consider Cemented versus Uncemented Total Hip Arthroplasty using Stratum-Specific Likelihood Ratios

372 Predicting Non-Home Discharge following Primary Total Hip Arthroplasty Using an Artificial Neural Network to Identify the Most Important Variables

373 An Investigation of the Relationship between State- and Person-Level Arthroplasty-Based Opioid Prescribing Habits and Opioid Abuse Prevalence

374 Trends in Quality of Cementation for Total Hip Arthroplasty over 5 years at an Academic Orthopaedic Hospital