Effect of Precision Error on T-scores and the Diagnostic Classification of Bone Status

Journal of Clinical Densitometry

Volumn 10, Issue 3, 2007, Pages 239-243

  Kiebzak, Gary M ^a   Faulkner, Kenneth G ^b   Wacker, Wynn ^c   Hamdy, Ronald ^d   Seier, Edith ^e   Watts, Nelson B ^f  

^a St Luke's Belmont Center   (United States)

^b SYNARC INC   (United States)

^c GE HEALTHCARE   (United States)

^d East Tennessee State University   (United States)

^e EAST TENNESSEE STATE UNIVERSITY   (United States)

^f UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE   (United States)

Author keywords

Bone mineral density; dual energy X ray absorptiometry; DXA; precision error; T score

Indexed keywords

ADULT; AGED; ARTICLE; BONE; BONE DENSITOMETRY; BONE DENSITY; COHORT ANALYSIS; CONFIDENCE INTERVAL; CONTROLLED STUDY; DISEASE CLASSIFICATION; DUAL ENERGY X RAY ABSORPTIOMETRY; FEMALE; FEMUR NECK; HIP; HUMAN; LUMBAR SPINE; MAJOR CLINICAL STUDY; OSTEOPENIA; OSTEOPOROSIS; PRACTICE GUIDELINE; PRIORITY JOURNAL; SCORING SYSTEM; STATISTICAL SIGNIFICANCE; T SCORE;

ABSORPTIOMETRY, PHOTON; AGED; AGED, 80 AND OVER; BONE DENSITY; BONE DISEASES, METABOLIC; COHORT STUDIES; CONFIDENCE INTERVALS; FEMALE; HUMANS; LEG BONES; LUMBAR VERTEBRAE; MIDDLE AGED; OBSERVER VARIATION; REPRODUCIBILITY OF RESULTS; RETROSPECTIVE STUDIES;

EID: 34247574442     PISSN: 10946950     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jocd.2007.03.002     Document Type: Article

References (15)

1. Bonnick S.L., Johnston Jr. C.C., Kleerekoper M., Lindsay R., Miller P., Sherwood L., and Siris E. Importance of precision in bone density measurements. J Clin Densitom 4 2 (2001) 105-110
2. Gluer C.C., Blake G., Lu Y., Blunt B.A., Jergas M., and Genent H.K. Accurate assessment of precision errors: how to measure the reproducibility of bone densitometry techniques. Osteoporos Int 5 4 (1995) 262-270
3. Lenchik L., Kiebzak G.M., and Blunt B.A. What is the role of serial bone mineral density measurements in patient management?. J Clin Densitom 5 Suppl (2002) S29-S38
4. Faulkner K.G., Weynand L.S., Wacker W.K., and Barden H.S. Determination of T-score confidence limits for diagnosing osteoporosis. J Clin Densitom 9 2 (2006) 237 [abstract]
5. Kiebzak G.M., Hamdy R.C., Seier E., and Watts N.B. Variability around the T-score cutpoint of -2.5 impacts diagnostic classification. J Clin Densitom 8 2 (2005) 238 [abstract]
6. Zar J.H. Biostatistical analysis. 2nd ed. (1984), Prentice Hall, Englewood Cliffs, NJ
7. Weynand L.S., Barden H.S., and Faulkner K.G. Precision of fan-beam densitometers in clinical practice. J Bone Miner Res 19 Suppl 1 (2004) S235 [abstract]
8. In: Favus M.J. (Ed). Primer on the metabolic bone diseases and disorders of mineral metabolism. 4th ed. (1999), Lippincott Williams & Wilkins, Philadelphia, PA Appendix vi. pp 483
9. WHO. 1994 Assessment of fracture risk and its application to screening for postmenopausal osteoporosis. 1994 WHO Technical Report Series 843.
10. Hamdy R.C., Petak S.M., and Lenchik L. Which central dual x-ray absorptiometry skeletal sites and regions of interest should be used to determine the diagnosis of osteoporosis?. J Clin Densitom 5 Suppl (2002) S11-S18
11. The Writing Group for the ISCD Position Development Conference. Nomenclature and decimal places in bone densitometry. J Clin Densitom 7 1 (2004) 45-49
12. Faulkner K.G. The tale of the T-score: review and perspective. Osteoporos Int 16 (2005) 347-352
13. Shepherd J.A., Lu Y., Wilson K., et al. Cross-calibration and minimum precision standards for dual-energy x-ray absorptiometry: the 2005 ISCD Official Positions. J Clin Densitom 9 1 (2006) 31-36
14. Hans D., Downs R.W., Duboeuf F., Greenspan S., Jankowski L.G., Kiebzak G.M., and Petak S.M. Skeletal sites for osteoporosis diagnosis: the 2005 ISCD Official Positions. J Clin Densitom 9 1 (2006) 15-21
15. Hamdy R., Kiebzak G.M., Seier E., and Watts N.B. The prevalence of significant left-right differences in hip bone mineral density. Osteoporos Int 17 (2006) 1772-1780