Degree of Trauma Differs for Major Osteoporotic Fracture Events in Older Men Versus Older Women

Kristine E Ensrud, Terri L. Blackwell, Peggy M. Cawthon, Douglas C. Bauer, Howard A Fink, John T. Schousboe, Dennis M. Black, Eric S. Orwoll, Deborah M. Kado, Jane A. Cauley, Dawn C. Mackey

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

To examine the degree of trauma in major osteoporotic fractures (MOF) in men versus women, we used data from 15,698 adults aged ≥65 years enrolled in the Osteoporotic Fractures in Men (MrOS) study (5994 men) and the Study of Osteoporotic Fractures (SOF) (9704 women). Participants were contacted tri-annually to ascertain incident fractures, which were confirmed by radiographic reports and coded according to degree of self-reported trauma. Trauma was classified as low (fall from ≤ standing height; fall on stairs, steps, or curb; minimal trauma other than fall [coughing, turning over]); moderate (collisions with objects during normal activity without associated fall); or high (fall from > standing height; severe trauma [motor vehicle accident, assault]). MOF included hip, clinical vertebral, wrist, and humerus fractures. Mean fracture follow-up was 9.1 years in SOF and 8.7 years in MrOS. A total of 14.6% of the MOF in men versus 6.3% of the MOF in women were classified as high trauma (p < 0.001); men versus women more often experienced fractures resulting from severe trauma as well as from fall > standing height. High-trauma fractures were more significantly common in men versus women at the hip (p = 0.002) and wrist (p < 0.001) but not at the spine or humerus. Among participants with MOF, the odds ratio of a fracture related to high-trauma fracture among men versus women was 3.12 (95% confidence interval [CI] 1.70-5.71) after adjustment for traditional risk factors. Findings were similar in analyses limited to participants with hip fractures (odds ratio [OR] = 3.34, 95% CI 1.04-10.67) and those with wrist fracture (OR = 5.68, 95% CI 2.03-15.85). Among community-dwelling older adults, MOF are more likely to be related to high trauma in men than in women. These findings are not explained by sex differences in conventional risk factors and may reflect a greater propensity among men to engage in risky behavior.

Original languageEnglish (US)
Pages (from-to)204-207
Number of pages4
JournalJournal of Bone and Mineral Research
Volume31
Issue number1
DOIs
StatePublished - Jan 1 2016

Bibliographical note

Funding Information:
The Osteoporotic Fractures in Men (MrOS) Study is supported by National Institutes of Health funding. The following institutes provide support: the National Institute on Aging (NIA), the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), the National Center for Advancing Translational Sciences (NCATS), and NIH Roadmap for Medical Research under the following grant numbers: U01 AG027810, U01 AG042124, U01 AG042139, U01 AG042140, U01 AG042143, U01 AG042145, U01 AG042168, U01 AR066160, and UL1 TR000128. The Study of Osteoporotic Fractures (SOF) is supported by National Institutes of Health funding. The National Institute on Aging (NIA) provides support under the following grant numbers: R01 AG005407, R01 AR35582, R01 AR35583, R01 AR35584, R01 AG005394, R01 AG027574, and R01 AG027576. Authors? roles: Study concept and design: KEE, ESO, and JAC. Data collection: KEE, ESO, and JAC. Data analysis and interpretation: KEE and TLB. Drafting manuscript: KEE. Critical review and final approval of manuscript content: KEE, TLB, PMC, DCB, HAF, JTS, DMB, ESO, DK, JAC, and DCM. Statistical analysis: TLB performed the statistical analyses and is independent of any commercial funder. She had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analyses.

Funding Information:
The Osteoporotic Fractures in Men (MrOS) Study is supported by National Institutes of Health funding. The following institutes provide support: the National Institute on Aging (NIA), the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), the National Center for Advancing Translational Sciences (NCATS), and NIH Roadmap for Medical Research under the following grant numbers: U01 AG027810, U01 AG042124, U01 AG042139, U01 AG042140, U01 AG042143, U01 AG042145, U01 AG042168, U01 AR066160, and UL1 TR000128. The Study of Osteoporotic Fractures (SOF) is supported by National Institutes of Health funding. The National Institute on Aging (NIA) provides support under the following grant numbers: R01 AG005407, R01 AR35582, R01 AR35583, R01 AR35584, R01 AG005394, R01 AG027574, and R01 AG027576. Authors’ roles: Study concept and design: KEE, ESO, and JAC. Data collection: KEE, ESO, and JAC. Data analysis and interpretation: KEE and TLB. Drafting manuscript: KEE. Critical review and final approval of manuscript content: KEE, TLB, PMC, DCB, HAF, JTS, DMB, ESO, DK, JAC, and DCM. Statistical analysis: TLB performed the statistical analyses and is independent of any commercial funder. She had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analyses.

Publisher Copyright:
© 2015 American Society for Bone and Mineral Research.

Keywords

  • DEGREE OF TRAUMA
  • FRACTURES
  • MEN
  • OLDER ADULTS
  • WOMEN

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