Musculoskeletal

(285) Preoperative depression and anxiety as predictors of persistent opioid use after orthopedic surgery: A retrospective claims-based analysis

(286) Real-world effectiveness of interleukin-6 receptor inhibitors compared to methotrexate in steroid-refractory frail patients with polymyalgia rheumatica

(288) Indirect treatment comparison of efgartigimod vs immunoglobulins in Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

(289) Economic burden of macrophage activation syndrome (MAS) in patients with Still’s disease (systemic juvenile idiopathic arthritis (sJIA) and adult-onset Still’s disease (AOSD)): analysis of a US national administrative claims database