{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T05:05:11Z","timestamp":1792904711687,"version":"4.5.0"},"reference-count":45,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2016,2,24]],"date-time":"2016-02-24T00:00:00Z","timestamp":1456272000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000069","name":"National Institute of Arthritis and Musculoskeletal and Skin Diseases","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000069","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100006108","name":"National Center for Advancing Translational Sciences","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100006108","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,8,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n               <jats:sec>\n                  <jats:title>\u2003<\/jats:title>\n                  <jats:p>We investigated the associations of 3D geometric measures and volumetric bone mineral density (vBMD) of the proximal femur assessed by quantitative computed tomography (QCT) with hip fracture risk among elderly men. This study was a prospective case-cohort design nested within the Osteoporotic Fractures in Men Study (MrOS) cohort. QCT scans of 230 men (65 with confirmed hip fractures) were evaluated with Mindways' QCTPRO-BIT software. Measures that are indicative of bone strength for the femoral neck (FN) and for the trochanteric region (TR) were defined. Bending strength measures were estimated by minimum section modulus, buckling strength by buckling ratio, and a local thinning index (LTI). Integral and trabecular vBMD measures were also derived. Areal BMD (aBMD) of the total proximal femur from dual-energy X-ray absorptiometry (DXA) is presented for comparison. Associations of skeletal measures with incident hip fracture were estimated with hazard ratios (HR) per standard deviation and their 95% confidence intervals (CI) from Cox proportional hazard regression models with adjustment for age, body mass index (BMI), site, and aBMD. Men with hip fractures were older than men without fracture (77.1\u2009\u00b1\u20096.0 years versus 73.3\u2009\u00b1\u20095.7 years, p\u2009&amp;lt;\u20090.01). Age, BMI, and site-adjusted HRs were significant for all measures except TR_LTI. Total femural BMD by DXA (HR\u2009=\u20094.9, 95% CI 2.5\u20139.9) and QCT (HR\u2009=\u20095.5, 95% CI 2.5\u201311.7) showed the strongest association followed by QCT FN integral vBMD (HR\u2009=\u20093.6, 95% CI 1.8\u20136.9). In models that additionally included aBMD, FN buckling ratio (HR\u2009=\u20091.9, 95% CI 1.1\u20133.2) and trabecular vBMD of the TR (HR\u2009=\u20092.0, 95% CI 1.2\u20133.4) remained associated with hip fracture risk, independent of aBMD. QCT-derived 3D geometric indices of instability of the proximal femur were significantly associated with incident hip fractures, independent of DXA aBMD. Buckling of the FN is a relevant failure mode not entirely captured by DXA. Further research to study these relationships in women is warranted. \u00a9 2016 American Society for Bone and Mineral Research.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1002\/jbmr.2821","type":"journal-article","created":{"date-parts":[[2016,2,26]],"date-time":"2016-02-26T08:29:20Z","timestamp":1456475360000},"page":"1550-1558","source":"Crossref","is-referenced-by-count":25,"title":["Association of 3D Geometric Measures Derived From Quantitative Computed Tomography With Hip Fracture Risk in Older Men"],"prefix":"10.1093","volume":"31","author":[{"given":"Jan","family":"Borggrefe","sequence":"first","affiliation":[{"name":"Institut und Poliklinik f\u00fcr Diagnostische RadiologieUniklinik K\u00f6lnGermany"},{"name":"Sektion Biomedizinische BildgebungKlinik f\u00fcr Radiologie und NeuroradiologieUniversit\u00e4tsklinikum Schleswig-HolsteinKielGermany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timm","family":"de Buhr","sequence":"additional","affiliation":[{"name":"Sektion Biomedizinische BildgebungKlinik f\u00fcr Radiologie und NeuroradiologieUniversit\u00e4tsklinikum Schleswig-HolsteinKielGermany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Smriti","family":"Shrestha","sequence":"additional","affiliation":[{"name":"Bone and Mineral UnitOregon Health & Science UniversityPortlandORUSA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lynn M","family":"Marshall","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and RehabilitationOregon Health & Science UniversityPortlandORUSA"},{"name":"Bone and Mineral UnitOregon Health & Science UniversityPortlandORUSA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric","family":"Orwoll","sequence":"additional","affiliation":[{"name":"Bone and Mineral UnitOregon Health & Science UniversityPortlandORUSA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathy","family":"Peters","sequence":"additional","affiliation":[{"name":"California Pacific Medical Center Research InstituteSan FranciscoCAUSA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dennis M","family":"Black","sequence":"additional","affiliation":[{"name":"Department of Epidemiology and BiostatisticsUniversity of CaliforniaSan FranciscoCAUSA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claus C","family":"Gl\u00fcer","sequence":"additional","affiliation":[{"name":"Sektion Biomedizinische BildgebungKlinik f\u00fcr Radiologie und NeuroradiologieUniversit\u00e4tsklinikum Schleswig-HolsteinKielGermany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"for the Osteoporotic Fractures in Men (MrOS) Study Research 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