Osteoporosis International

, Volume 23, Issue 6, pp 1779–1787 | Cite as

Hip bone geometry in HIV/HCV-co-infected men and healthy controls

  • V. Walker Harris
  • C. G. Sutcliffe
  • A. B. Araujo
  • G. R. Chiu
  • T. G. Travison
  • S. Mehta
  • M. S. Sulkowski
  • Y. Higgins
  • D. L. Thomas
  • A. S. Dobs
  • T. J. Beck
  • T. T. Brown
Original Article



People with both HIV and hepatitis C are more likely than those with HIV alone to have wrist, hip, and spine fractures. We compared hip strength between HIV/HCV-co-infected men and healthy men and found that HIV/HCV-co-infected men had decreased hip strength due to lower lean body mass.


Hepatitis C co-infection is a risk factor for fragility fracture among HIV-infected populations. Whether bone strength is compromised in HIV/HCV-co-infected patients is unknown.


We compared dual-energy x-ray absorptiometry (DXA)-derived hip geometry, a measure of bone strength, in 88 HIV/HCV-co-infected men from the Johns Hopkins HIV Clinic to 289 men of similar age and race and without HIV or HCV from the Boston Area Community Health Survey/Bone Survey. Hip geometry was assessed at the narrow neck, intertrochanter, and shaft using hip structural analysis. Lean body mass (LBM), total fat mass (FM), and fat mass ratio (FMR) were measured by whole-body DXA. Linear regression was used to identify body composition parameters that accounted for differences in bone strength between cohorts.


HIV/HCV-co-infected men had lower BMI, LBM, and FM and higher FMR compared to controls (all p < 0.05). At the narrow neck, significant differences were observed between HIV/HCV-co-infected men and controls in bone mineral density, cross-sectional area, section modulus, buckling ratio, and centroid position. After adjustment for race, age, smoking status, height, and weight, only buckling ratio and centroid position remained significantly different between cohorts (all p < 0.05). Substituting LBM, FM, and FMR for weight in the multivariate model revealed that differences in LBM, but not FM or FMR, accounted for differences in all narrow neck parameters between cohorts, except buckling ratio and centroid position.


HIV/HCV-co-infected men have compromised hip strength at the narrow neck compared to uninfected controls, which is attributable in large part to lower lean body mass.


Body composition Bone strength Hepatitis C Hip structural analysis HIV 



Financial support for this study came from K24DA00432, DA-11602, DA-16065, and 2R37DA013806 from the National Institute on Drug Abuse, AA016893 from the National Institute on Alcohol Abuse and Alcoholism, K23 AT002862 (TTB) from the National Center for Complementary and Alternative Medicine, grant HS 07–809 from the Agency for Healthcare Policy and Research and the Clinical Research Unit at the Johns Hopkins Medical Institutions, M01RR-02719. The project described was supported by grant number UL1 RR 025005 from the National Center for Research Resources (NCRR), a component of the National Institutes of Health (NIH) and NIH Roadmap for Medical Research, and by award number R01AG020727 from the National Institute on Aging (NIA), and its contents are solely the responsibility of the authors and do not necessarily represent the official view of NCRR, NIA, or NIH.

Conflicts of interest

The Hip Structure Analysis program used in this study and developed by TJB was licensed by Johns Hopkins University to Hologic Inc. All authors have no conflict of interest.


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Copyright information

© International Osteoporosis Foundation and National Osteoporosis Foundation 2011

Authors and Affiliations

  • V. Walker Harris
    • 1
  • C. G. Sutcliffe
    • 2
  • A. B. Araujo
    • 3
  • G. R. Chiu
    • 3
  • T. G. Travison
    • 4
  • S. Mehta
    • 2
  • M. S. Sulkowski
    • 1
  • Y. Higgins
    • 1
  • D. L. Thomas
    • 1
  • A. S. Dobs
    • 1
  • T. J. Beck
    • 5
  • T. T. Brown
    • 1
  1. 1.Johns Hopkins University School of MedicineBaltimoreUSA
  2. 2.Johns Hopkins School of Public HealthBaltimoreUSA
  3. 3.New England Research InstitutesWatertownUSA
  4. 4.Boston UniversityBostonUSA
  5. 5.Whiting School of EngineeringJohns Hopkins UniversityBaltimoreUSA

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