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Topics:
Endocrinology • Bone and Calcium Disorders
When interpreting bone density reports, are T-scores adjusted for different age brackets?
For example, can a patient have lower absolute Bone Mineral Density over 5 years, but a better T-score (BMD down from 0.841 0.815 g/cm2 but T-score up from-2.8 to-2.1 respectively).
Answer from: at Community Practice
T-scores are standardized to a "young normal" population, and do not change with age. Z-scores are standardized to an age and sex-matched population, and do change with age. When assessing BMD over time, one should compare the actual measurement, not the T-score or Z-score and related to the measure...
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