General Session: Value and Outcomes in Spine Surgery

#673 Site Variability in Surgical Technique and Outcomes in Adult Spinal Deformity
Presenter: H. Bao - Author(s): T. Cheriyan, H. Bao, F. Schwab, K. Kebaish, M. Gupta, C. Ames, C. Shaffrey, E. Tanzi, M. Kelly, J. Smith, S. Bess, R. Hart, R. Hostin, T. Errico, V. Lafage, International Spine Study Group
#313 The Impact of Commercial Health Plan Prior Authorization Programs on the Utilization of Services for Low Back Pain
Presenter: P. Park - Author(s): R. Goodman, C. Powell, P. Park
#167 What Is the Clinical Relevance of Nonunion after Lumbar Arthrodesis? A Meta-analysis of the YODA Project Database
Presenter: C. Cain - Author(s): A. Noshchenko, E. Lindley, E. Burger, C. Cain, V. Patel
#181 Outpatient Procedures Reduce Short-term Complications in One- and Two-level Anterior Cervical Discectomy and Fusion: A Propensity-adjusted Analysis of 14,434 Patients
Presenter: A. Samuel - Author(s): M. Fu, A. Samuel, E. Sheha, P. Derman, S. Iyer, J. Grauer, H.J. Kim