Bone Density - Terms

Terms

Results are often reported in 3 terms:

  1. Measured areal density in g cm−2
  2. z-score, the number of standard deviations above or below the mean for the patient's age, sex and ethnicity
  3. t-score, the number of standard deviations above or below the mean for a healthy 30 year old adult of the same sex and ethnicity as the patient

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