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What does Z score mean in bone mineral density test?

ANSWER

The Z score is an indication of how much bone mass you have compared with other people of your age, gender, and size.

A Z score below -2.0 means that you have less bone mass than someone your age and that it could be caused by something other than aging.

SOURCES:

American Academy of Orthopaedic Surgeons: “Osteoporosis Tests.”

New York State Department of Health: “Bone Mineral Density Testing.”

National Osteoporosis Foundation: “Bone Density Exam/Testing.”

National Institutes of Health, Senior Health: “Osteoporosis.”

Mayo Clinic: “Bone Density Test.”

U.S. Department of Health and Human Services: “Get a Bone Density Test.”

Columbia University Medical Center: “Bone Density Test.”

Reviewed by Carol DerSarkissian on October 28, 2018

SOURCES:

American Academy of Orthopaedic Surgeons: “Osteoporosis Tests.”

New York State Department of Health: “Bone Mineral Density Testing.”

National Osteoporosis Foundation: “Bone Density Exam/Testing.”

National Institutes of Health, Senior Health: “Osteoporosis.”

Mayo Clinic: “Bone Density Test.”

U.S. Department of Health and Human Services: “Get a Bone Density Test.”

Columbia University Medical Center: “Bone Density Test.”

Reviewed by Carol DerSarkissian on October 28, 2018

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How often should you get bone mineral density test?

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