e492 Financial Impact of Complications in Adult Spinal Deformity Surgery: Cost Effectiveness Analysis of Outcomes

e493 Preoperative Optimization of Modifiable Health Conditions Provides Incremental Benefit in Postoperative Outcomes for Adult Spinal Deformity

e494 Longitudinal Comparison of Existing Frailty Indices to Predict Complications following Adult Spinal Deformity Surgery

e540 Development of a Modified Surgical Invasiveness Index for Minimally-Invasive Adult Spinal Deformity Surgery

e547 Durability of Substantial Clinical Benefit in Adult Spinal Deformity Corrective Surgery Patients: A Minimum 5-Year Outcomes Analysis