{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,31]],"date-time":"2026-10-31T04:58:35Z","timestamp":1793422715252,"version":"4.5.0"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2025,7,7]],"date-time":"2025-07-07T00:00:00Z","timestamp":1751846400000},"content-version":"vor","delay-in-days":6,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000069","name":"NIAMS","doi-asserted-by":"publisher","award":["R01 AR065268"],"award-info":[{"award-number":["R01 AR065268"]}],"id":[{"id":"10.13039\/100000069","id-type":"DOI","asserted-by":"publisher"}]},{"name":"NIH Roadmap for Medical Research"},{"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"}]},{"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\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"The National Institutes of Health","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Low bone density and low muscle mass are both independent risk factors for mortality in older men. However, it is unknown if these tissues interact to increase mortality risk. Elucidating this information is important as bone and muscle are modifiable across the life cycle.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To examine whether there is an interconnection between bone density and muscle mass on all-cause mortality in older men.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design<\/jats:title>\n                  <jats:p>Prospective cohort study.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting<\/jats:title>\n                  <jats:p>The Osteoporotic Fractures in Men study, an multicenter longitudinal study across six US sites.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Participants<\/jats:title>\n                  <jats:p>Exposures measured at baseline visit (2014\u20132016) included bone density by dual-energy X-ray absorptiometry (hip, g\/cm2); muscle mass by creatine dilution stable isotope (whole body, kg); bone strength by high-resolution computed tomography (tibia, newtons); and muscle volume by high-resolution computed tomography (calf, mm3). Covariates measured at baseline visit (2014\u20132016) included demographics and lifestyle factors as well as medical conditions.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measure<\/jats:title>\n                  <jats:p>All-cause mortality by death certificates and International Classification of Diseases-Ninth Revision codes measured from 2014 to 2016 through August 2024. Data analysis was performed during December 2024. Cox hazards models were used to model the relationship between the exposures and outcomes, unadjusted and adjusted for covariates.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>A total of 1388 men with a mean age of 84.2\u2009\u00b1\u20094.1\u00a0years (77\u2013101\u00a0years, 91.6% white) were followed for 6.58\u2009\u00b1\u20092.61\u00a0years. A total of 663 (47.8%) men died. In unadjusted analyses using continuous exposures, interaction terms were significant between bone and muscle variables for all-cause mortality (P\u2009&amp;lt;\u20090.001 to 0.039). In men with low muscle mass or low muscle volume (\u226450th percentile), each SD decrease in bone density increased all-cause mortality by a respective 19% (HR\u2009=\u20091.19 95% CI 1.07\u20131.34) and 29% (HR\u2009=\u20091.29 95% CI 1.11\u20131.49) in multivariable-adjusted models. Likewise, in men with low muscle mass or low muscle volume (\u226450th percentile), each SD decrease in bone strength increased all-cause mortality by a respective 19% (HR\u2009=\u20091.19 95% CI 1.06\u20131.33) and 29% (HR\u2009=\u20091.29 95% CI 1.12\u20131.48) in multivariable-adjusted models.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>We found consistent evidence for a combined association of bone and muscle health on all-cause mortality. Randomised controlled trials are now needed to confirm if increasing or preserving bone and muscle mass in old age reduces mortality risk.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ageing\/afaf189","type":"journal-article","created":{"date-parts":[[2025,7,7]],"date-time":"2025-07-07T13:52:49Z","timestamp":1751896369000},"source":"Crossref","is-referenced-by-count":7,"title":["Interactions between bone density and muscle mass in predicting all-cause mortality: a 10-year prospective cohort study of 1388 older men (aged 77\u2013101\u00a0years)"],"prefix":"10.1093","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0176-776X","authenticated-orcid":false,"given":"Ben","family":"Kirk","sequence":"first","affiliation":[{"name":"The University of Melbourne Melbourne Medical School, Department of Medicine-Western Health , Melbourne, Victoria ,","place":["Australia"]},{"name":"The University of Melbourne Western Clinical School at Sunshine Hospital, Australian 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