Discordance of longitudinal changes in bone density between densitometers

Bone

Volumn 41, Issue 4, 2007, Pages 690-697

  Frost, S A ^a   Nguyen, N D ^a   Center, J R ^a   Eisman, J A ^a,b   Nguyen, T V ^a,b  

^a ST VINCENT S HOSPITAL   (Australia)

^b UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

Bone loss; Concordance; DXA; Measurement error

Indexed keywords

AGED; ARTICLE; BONE DENSITY; CORRELATION ANALYSIS; DENSITOMETRY; DUAL ENERGY X RAY ABSORPTIOMETRY; FEMALE; FEMUR NECK; FOLLOW UP; HUMAN; INTERMETHOD COMPARISON; LINEAR REGRESSION ANALYSIS; LONGITUDINAL STUDY; LUMBAR SPINE; MAJOR CLINICAL STUDY; MALE; OSTEOPOROSIS; SIMULATION;

AGED; BONE DENSITY; COMPUTER SIMULATION; DENSITOMETRY; FEMALE; HUMANS; LONGITUDINAL STUDIES; MALE; SEX CHARACTERISTICS;

EID: 34548539714     PISSN: 87563282     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bone.2007.07.002     Document Type: Article

References (20)

1. Cummings S.R., Bates D., and Black D.M. Clinical use of bone densitometry: scientific review. JAMA 288 15 (2002) 1889-1897
2. Kanis J.A., and Group W.S. Assessment of fracture risk and its application to screening for postmenopausal osteoporosis: synopsis of WHO report. Osteoporos Int 4 (1994) 381-468
3. Mazess R.B., and Barden H.S. Evaluation of differences between fan-beam and pencil-beam densitometers. Calcif. Tissue Int 7 4 (2000) 291-296
4. Mazess R.B., Hanson J.A., Payne R., Nord R., and Wilson M. Axial and total-body bone densitometry using a narrow-angle fan-beam. Osteoporos Int 11 2 (2000) 158-166
5. Blake G.M., Harrison E.J., and Adams J.E. Dual X-ray absorptiometry: cross-calibration of a new fan-beam system. Calcif Tissue Int 75 (2004) 7-14
6. Crabtree N.J., Shaw N.J., Boivin C.M., Oldroyd B., and Truscott J.G. Pediatric in vivo cross-calibration between the GE Lunar Prodigy and DPX-L bone densitometers. Osteoporos Int 16 10 (2005) 2157-2167
7. Nguyen T.V., Sambrook P.N., and Eisman J.A. Sources of variability in bone mineral density measurements: implications for study design and analysis of bone loss. J Bone Miner Res 12 (1997) 124-135
8. Eiken P., Kolthoff N., Barenholdt O., Hermansen F., and Pors N.S. Switching from DXA pencil-beam to fan-beam. II: Studies in-vivo. Bone 15 6 (1994) 671-676
9. Eiken P., Barenholdt O., Bjorn J.L., Gram J., and Pors N.S. Switching from DXA pencil-beam to fan-beam. I: Studies in vitro at four centers. Bone 15 6 (1994) 667-670
10. Gluer C.C. Monitoring skeletal changes by radiological techniques. J Bone Miner Res 14 11 (1999) 1952-1962
11. Oldroyd B., Smith A.H., and Truscott J.G. Cross-calibration of GE/Lunar pencil and fan-beam dual energy densitometers bone mineral density and body composition studies. Eur J Clin Nutr 57 (2003) 977-987
12. Nguyen T., Sambrook P., Kelly P., Jones G., Lord S., Freund J., et al. Prediction of osteoporotic fractures by postural instability and bone density. BMJ 307 6912 (1993) 1111-1115
13. Bland J.M., and Altman D.G. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1 8476 (1986) 307-310
14. Altman D.G., and Bland J.M. Measurement in medicine: the analysis of methods comparison studies. The Statistician 32 (1983) 307-317
15. Lin L.I.K. A concordance correlation coefficient to evaluate reproducibility. Biometrics 45 (1989) 255-268
16. Lin L.I.K. A note on the concordance correlation coefficient. Biometrics 45 (2000) 324-325
17. Fleiss J.L., Levin B., and Paik M.C. Statistical analysis for rates and proportions (2003), Wiley
18. Ihaka R., and Gentleman R. R: a language for data analysis and graphics. J Comput Graph Stat 5 3 (1996) 299-314
19. Peel N.F., and Eastell R. Comparison of rates of bone loss from the spine measured using two manufacturers' densitometers. J Bone Miner Res 10 11 (1995) 1796-1801
20. Pocock N.A., Noakes K.A., Griffiths M., Bhalerao N., Sambrook P.N., Eisman J.A., et al. A comparison of longitudinal measurements in the spine and proximal femur using lunar and hologic instruments. J Bone Miner Res 12 12 (1997) 2113-2118