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Obesity Increases Precision Errors in Dual-Energy X-Ray Absorptiometry Measurements

✍ Scribed by Knapp, Karen M.; Welsman, Joanne R.; Hopkins, Susan J.; Fogelman, Ignac; Blake, Glen M.


Book ID
122611553
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
85 KB
Volume
15
Category
Article
ISSN
1094-6950

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Repeat spine and femur measurements (5 per case) were done on 19 subjects with the DPX-L densitometer operating at 3 mA giving a radiation flux fourfold higher than the earlier DPX model. The precision for spine bone mineral density (BMD) was about 0.55% (L2-L4) and 0.48% (L1-L4) for 2-minute scans