Global alignment and proportion (GAP) score: development and validation of a new method of analyzing spinopelvic alignment to predict mechanical complications …

C Yilgor, N Sogunmez, L Boissiere, Y Yavuz, I Obeid… - JBJS, 2017 - journals.lww.com
… , the GAP score is a new pelvic incidence-based proportionalGAP is an all-inclusive single
score that offers a “one-size-fits-… of the proportional indices reflected by the GAP score may …

Global Alignment and Proportion (GAP) score in asymptomatic individuals: is it universal?

H Ma, Z Hu, B Shi, Z Liu, Z Zhu, WCW Chu, TP Lam… - The Spine Journal, 2022 - Elsevier
… The GAP score evaluates the sagittal spinopelvic alignment by analyzing the difference of
measured radiographic parameters to their respective “ideal” values that proportionally related …

Predictors of poor global alignment and proportion score after surgery for adult spinal deformity

T Ohba, S Ebata, H Oba, K Koyama, H Yokomichi… - Spine, 2019 - journals.lww.com
… To our knowledge, the GAP score is the first system developed to consider proportional
analysis of the spinopelvic alignment and setting surgical goals according to the GAP score …

Global alignment and proportion (GAP) scores in an asymptomatic, nonoperative cohort: a divergence of age-adjusted and pelvic incidence-based alignment targets

AM Wegner, S Iyer, LG Lenke, HJ Kim, MP Kelly - European Spine Journal, 2020 - Springer
… The mean relative pelvic version, relative lumbar lordosis (RLL), lumbar distribution index
(LDI), and relative spinopelvic alignment were all considered aligned, although the mean RLL …

Evaluation of global alignment and proportion score in an independent database

MC Gupta, C Yilgor, HJ Moon, T Lertudomphonwanit… - The Spine Journal, 2021 - Elsevier
spinopelvic alignment of GAP-MD and GAP-SD resulted in 2.5 and 3.2 folds of relative risk
in incurring a mechanical complication when compared to having a proportioned spinopelvic

[HTML][HTML] From the spinopelvic parameters to global alignment and proportion scores in adult spinal deformity

Y Cho, DJ Jo, SJ Hyun, JH Park, NR Yang - Neurospine, 2023 - ncbi.nlm.nih.gov
… between sagittal alignment and clinical symptoms. Furthermore, we will also discuss the
recently introduced Global Alignment and Proportion (GAP) scores and its clinical usage. …

Optimal reconstruction of sagittal alignment according to global alignment and proportion score can reduce adjacent segment degeneration after lumbar fusion

M Wang, L Xu, X Chen, Q Zhou, C Du, B Yang, Z Zhu… - Spine, 2021 - journals.lww.com
GAP score was formulated to figure out the reciprocal association between PI and spinopelvic
alignment … Our findings indicate that GAP score described three distinct morphologies with …

The influence of spinopelvic morphologies on sagittal spinal alignment: an analysis of incidence angle of inflection points

SH Choi, CJ Hwang, JH Cho, CS Lee, CN Kang… - European Spine …, 2020 - Springer
… PI and LL showed a direct proportion among the entire study … of sagittal alignment patterns
were induced by the spinopelvic … on the change of the sagittal alignment. Nonetheless, we …

Characteristics of Spinal Morphology according to the Global Alignment and Proportion (GAP) Score in a Diverse, Asymptomatic Cohort: Multi-Ethnic Alignment …

…, Multi-Ethnic Alignment Normative Study Group - Spine, 2024 - journals.lww.com
GAP between subjects from different countries (P= 0.060). Those with severely disproportioned
GAP alignmentGAP; thoracic kyphosis and PI were not significantly different (P> 0.05). …

Influence of spino-pelvic and postural alignment parameters on gait kinematics

J Otayek, AJ Bizdikian, F Yared, E Saad, Z Bakouny… - Gait & posture, 2020 - Elsevier
alignment is altered with spine deformities that might occur with age. Alteration of spino-pelvic
and postural alignment … It is still unknown how spino-pelvic and postural alignment