e162 Oral Postoperative Antibiotic Prophylaxis Patterns for Outpatient Total Hip and Knee Arthroplasty

e163 The Synovial Fluid Alpha-Defensin, Cell Count, Polymorphonuclear Neutrophils Percentage, and C-Reactive Protein are Non-Redundant Biomarkers

e164 Diagnostic Characterization of a Newly FDA-Authorized Multiplex Polymerase Chain Reaction Platform for Synovial Fluid Pathogen Detection

e165 Establishment and Validation of a Synovial Fluid C-Reactive Protein Clinical Decision Limit for Periprosthetic Joint Infection