How are bone density data from dual-energy x-ray absorptiometry (DXA) reported in the workup of osteoporosis?

Updated: Sep 26, 2019
  • Author: Monique Bethel, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Bone density data from a DXA are reported as T-scores and Z-scores. The T-score is the value compared to that of control subjects who are at their peak BMD, whereas the Z-score reflects a value compared to that of patients matched for age and sex. [5, 6, 7, 8]


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