Association of the GAP score and roussouly-based algorithm with long-term patient-reported outcomes following adult spinal deformity surgery: a systematic review and meta-analysis.
PURPOSE The Global Alignment and Proportion (GAP) score and Roussouly-based alignment algorithms were originally developed to predict postoperative mechanical complications and outcomes following adult spinal deformity (ASD) surgery. While these frameworks have been extensively studied in relation to mechanical complic...