Abstract Study Design Retrospective analysis of prospectively collected data. Objectives To
validate the Global Alignment and Proportion (GAP) score in a single-center cohort of adult …

Study Design. This is a multicenter retrospective review of 257 surgically treated consecutive
ASD patients who had a minimum of five fused segments, completed a 2-year follow-up …

OBJECTIVE The goal of this study was to validate the Global Alignment and Proportion
(GAP) score in a cohort of patients undergoing adult spinal deformity (ASD) surgery. The …

Background: The restoration of normal sagittal alignment is a critical goal in adult spinal
deformity surgery to achieve favorable outcomes and prevent mechanical complications …

Study Design. Cohort study. Objective. Our goal was to verify the validity of the global
alignment and proportion (GAP) score, SRS-Schwab, and Roussouly theoretical apex of …

Study Design. Retrospective cohort study at a single institution. Objective. We aimed at
estimating the rate of revision procedures and identify radiographic predictors of mechanical …

Study Design. Retrospective review of prospective, multicenter database. Objective. The aim
of the study was to determine age-specific spino-pelvic parameters, to extrapolate age …

BACKGROUND CONTEXT The global alignment and proportion (GAP) score for predicting
mechanical complications of adult spinal deformity (ASD) surgery has limitations due to its …

Background The Global Alignment and Proportion (GAP) score, based on pelvic incidence-
based proportional parameters, was recently developed to predict mechanical complications …

Study Design. Retrospective observational study of a cohort of consecutive patients.
Objective. To determine 1) the correlation between clinical and radiographic outcomes and …