Journal of Clinical Densitometry
Volume 13, Issue 4 , Pages 413-417 , October 2010

In vivo Precision of the GE Lunar iDXA Densitometer for the Measurement of Total-Body, Lumbar Spine, and Femoral Bone Mineral Density in Adults

  • Karen Hind

      Affiliations

    • DXA Unit, Carnegie Research Institute, Leeds Metropolitan University, Headingley Campus, Leeds, UK
    • Corresponding Author InformationAddress correspondence to: Karen Hind, PhD, DXA Unit, Carnegie Research Institute, Leeds Metropolitan University, Headingley Campus, Leeds, LS6 3QS. UK.
    • ,
  • Brian Oldroyd

      Affiliations

    • Centre for Bone and Body Composition Research, Division of Medical Physics, University of Leeds, Leeds, UK
    • ,
  • John G. Truscott

      Affiliations

    • Centre for Bone and Body Composition Research, Division of Medical Physics, University of Leeds, Leeds, UK

Received 24 February 2010 ,Revised 1 June 2010 ,Accepted 1 June 2010.

References 

  1. Morgan SL, Abercrombie W, Lee JY. Need for precision studies at individual institutions and assessment of size of regions of interest on serial DXA scans. J Clin Densitom. 2003;6(2):97–101
  2. Baim S, Blinkley N, Bilezikian L, et al. Official positions of the International Society for Clinical Densitometry and executive summary of the 2007 position development conference. J Clin Densitom. 2008;11(1):75–91
  3. Forsen L, Berntsen GK, Meyer HE, et al. Differences in precision in bone mineral density measured by SXA and DXA: the NOREPOS study. Eur J Epidemiol. 2008;23(9):615–624
  4. Shepherd JA, Fan B, Lu Y, et al. Comparisons of BMD precision for Prodigy and Delphi spine and femur scans. Osteoporos Int. 2006;179:1305–1308
  5. Fan B, Lewiecki EM, Sherman L. Improved precision with Hologic Apex software. Osteoporos Int. 2008;19(11):1597–1602
  6. Leslie WD, Moayyeri A. Minimum sample size requirements for bone density precision assessment produce inconsistency in clinical monitoring. Osteoporos Int. 2006;17(11):1673–1680
  7. Baim S, Wilson CR, Lewiecki EM, et al. Precision assessment and radiation safety for DXA: position paper of the International Society for Clinical Densitometry. J Clin Densitom. 2005;8(4):371–378
  8. Gluer CC, Blake G, Lu Y, et al. Accurate assessment of precision errors: how to measure the reproducibility of bone densitometry techniques. Osteoporos Int. 1995;5:262–270
  9. El Maghraoui , Do Santos Zounon AA, Jroundi I, et al. Reproducibility of bone mineral density measurements using dual energy X-ray absorptiometry in daily clinical practice. Osteoporos Int. 2005;16(12):1742–1748
  10. Oldroyd B, Smith AH, Truscott JG. Cross calibration of GE/Lunar pencil and fan beam dual energy densitometers—bone mineral density and body composition studies. Eur J Clin Nutr. 2003;57:977–987
  11. Tothill P, Hannan WJ. Precision and accuracy of measuring changes in bone mineral density by dual energy X-ray absorptiometry. Osteoporos Int. 2007;18(11):1515–1523
  12. Krueger DM, Checovich N, Vallarta-Ast D, et al. Comparison of total body parameters as measured using GE Healthcare Lunar Prodigy and Lunar iDXA densitometers. J Bone Mineral Res. 2006;21:SS225
  13. Rezzi S, Ginty F, Beaumont A, et al. 2009 Body composition precision with the Lunar iDXA. ISCD Meeting, FL, USA, March.
  14. Patel R, Blake GM, Rymer J, et al. Long term precision of DXA scanning assessed over seven years in forty postmenopausal women. Osteoporos Int. 2000;11(1):68–75
  15. Leslie WD. Factors affecting short term bone density precision assessment and the effect on patient monitoring. J Bone Mineral Res. 2008;23(2):199–204

 This study was conducted without external funding/support.

PII: S1094-6950(10)00198-8

doi: 10.1016/j.jocd.2010.06.002

Journal of Clinical Densitometry
Volume 13, Issue 4 , Pages 413-417 , October 2010

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