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A bone density scan measures your osteoporosis risk with T- and Z-scores. Learn where you can have the test and what your results mean.
Bone density should also be measured in women between the ages of 50 and 65 who are considered high risk for osteoporosis. In addition to obtaining your initial DEXA scan results, repeating the scan every two to five years is recommended, depending on your risk factors.
Age-matched adults (Z-score). BMD result is compared with that of 25 to 35-year-old adults of the same sex and ethnicity. The standard deviation (SD) is calculated as the difference between the BMD of the tested person and healthy young adults, which is the T-score.
A Z-score compares a person's bone density with the average bone density of those of the same age, sex, and body size. A low score can indicate secondary osteoporosis.
Learn about female bone density chart by age, the importance of bone density for women, and how to maintain strong and healthy bones. Explore the meaning of Z-scores, bone density Z-score charts, DEXA scans, and more.
Because bone density naturally decreases with age, it’s possible to have a z-score close to zero but still have low BMD. This score is more useful for diagnosing secondary osteoporosis,...
The Z-score is the difference between your bone mineral density and the average bone mineral density for healthy people of your age, ethnicity, and sex. Who should get a bone mineral density test? The U.S. Preventive Services Task Force recommends that women over age 65 have a bone mineral density test.