{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T06:52:07Z","timestamp":1789195927784,"version":"build-2803163510"},"reference-count":23,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2022,2,22]],"date-time":"2022-02-22T00:00:00Z","timestamp":1645488000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:sec>\n                    <jats:title>Study design<\/jats:title>\n                    <jats:p>Descriptive radiographic analysis of a prospective multi-center database.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aims to provide normative values of spinopelvic parameters and their correlations according to age and pelvic incidence (PI) of subjects without spinal deformity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>After Institutional Review Board (IRB) approval, 1540 full spine radiographs were analyzed. Subjects were divided into 3 groups of PI: low PI &lt; 45\u00b0, intermediate PI 45\u201360\u00b0, high PI &gt; 60\u00b0, and then stratified by age (20\u201334, 35\u201349, 50\u201364, &gt; 65 Y.O). Pelvic and spinal parameters were measured. Statistical analysis between parameters was performed using Bayesian inference and correlation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Mean age was 53.5\u00a0years (845 females, 695 males, range 20\u201393\u00a0years). In low PI group, lumbar lordosis (LL) decrease was mainly observed in the 2 younger age groups. In medium and high PI groups, loss of lordosis was linear during aging and occurred mainly on the distal arch of lordosis. Moderate PI group had a stable lordosis apex and thoracolumbar inflection point. High PI group had a stable thoracolumbar inflection point and a more distal lordosis apex in elderly subjects. For all subjects, kyphosis and pelvic tilt (PT) increased with age. There was a constant chain of correlation between PI and age groups. Proximal lumbar lordosis (PLL) was correlated with kyphosis and sagittal vertical axis (SVA C7), while the distal lumbar lordosis (DLL) was correlated with PI and PT.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This study provides a detailed repository of sagittal spinopelvic parameters normative values with detailed analysis of segmental kyphosis and lordosis distribution according to gender, age, and PI.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682221074660","type":"journal-article","created":{"date-parts":[[2022,2,22]],"date-time":"2022-02-22T11:27:23Z","timestamp":1645529243000},"page":"2144-2154","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":21,"title":["Do Age-Related Variations Of Sagittal Alignment Rely On SpinoPelvic Organization? An Observational Study Of 1540 Subjects"],"prefix":"10.1177","volume":"13","author":[{"given":"Sol\u00e8ne","family":"Prost","sequence":"first","affiliation":[{"name":"Aix-Marseille Universit\u00e9, APHM, CNRS, ISM, CHU Timone, Unit\u00e9 de chirurgie rachidienne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8896-5277","authenticated-orcid":false,"given":"Benjamin","family":"Blondel","sequence":"additional","affiliation":[{"name":"Aix-Marseille Universit\u00e9, APHM, CNRS, ISM, CHU Timone, Unit\u00e9 de chirurgie rachidienne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elo\u00efse","family":"Bauduin","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Orthop\u00e9dique et Traumatologie, H\u00f4pital Maison Blanche, CHU de Reims, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S\u00e9bastien","family":"Pesenti","sequence":"additional","affiliation":[{"name":"Service d\u2019Orthop\u00e9die P\u00e9diatrique, CHU Timone, Aix-Marseille Universit\u00e9, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brice","family":"Ilharreborde","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Orthop\u00e9dique P\u00e9diatrique, AP-HP, CHU Robert Debr\u00e9, Universit\u00e9 de Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F\u00e9thi","family":"Laouissat","sequence":"additional","affiliation":[{"name":"H\u00f4pital Priv\u00e9 de l\u2019Est Lyonnais, Saint-Priest, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guillaume","family":"Riouallon","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Orthop\u00e9dique et Traumatolgique, Groupe Hospitalier Paris Saint Joseph, Paris, 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France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmanuelle","family":"Ferrero","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Orthop\u00e9dique de la Colonne Vert\u00e9brale, AP-HP, H\u00f4pital Europ\u00e9en Georges-Pompidou, Universit\u00e9 de Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Federico","family":"Solla","sequence":"additional","affiliation":[{"name":"Service d\u2019Orthop\u00e9die P\u00e9diatrique, Fondation Lenval, Nice, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean-Charles","family":"Le Huec","sequence":"additional","affiliation":[{"name":"Polyclinique Bordeaux Nord Aquitaine, Universit\u00e9 de Bordeaux, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"St\u00e9phane","family":"Bourret","sequence":"additional","affiliation":[{"name":"Polyclinique Bordeaux Nord Aquitaine, Universit\u00e9 de Bordeaux, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joe","family":"Faddoul","sequence":"additional","affiliation":[{"name":"Institut de la Colonne Vert\u00e9brale et des Neurosciences, Centre M\u00e9dico-Chirurgical Bizet, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georges Na\u00efm","family":"Abi Lahoud","sequence":"additional","affiliation":[{"name":"Institut de la Colonne Vert\u00e9brale et des Neurosciences, Centre M\u00e9dico-Chirurgical Bizet, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Fi\u00e8re","sequence":"additional","affiliation":[{"name":"Unit\u00e9 du Rachis, Centre Orthop\u00e9dique Santy, Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5810-094X","authenticated-orcid":false,"given":"Michiel","family":"Vande Kerckhove","sequence":"additional","affiliation":[{"name":"Unit\u00e9 du Rachis, Centre 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