P146 Comparison of Risk Analysis Index and 5-Factor Modified Frailty Index as predictors of outcomes in septic revisions of total hip and knee joints

P147 Neuraxial vs. General Anesthesia in Total Hip Arthroplasty for Femoral Neck Fracture: A Comparison of Post-operative Complications

P148 Superimposed Crystalline Arthropathy in Total Joint Arthroplasty: Impact on Periprosthetic Joint Infection Workup

P149 Effects of Surgeon Volume on Outcomes Following THA in the Morbidly Obese: An Analysis from the AJRR

P150 Low Vitamin D is Associated with Worse Pre-operative Function but Greater Improvement after Total Joint Arthroplasty