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Classification of Bone Mineral Density (World Health Organization) [14]. |
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| Classification |
T-score |
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|
|
| Normal |
-1.0 or greater |
| Osteopenia |
Between -1.0 and -2.5 |
| Osteoporosis |
-2.5 or less |
| Severe Osteoporosis |
-2.5 or less with a fragility fracture |
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The WHO classification is founded on epidemiological data in postmenopausal Caucasian women with BMD measured at the spine, hip, and forearm. The prevalence of osteoporosis in this group is approximately 30%, which roughly corresponds to the lifetime risk of fragility fracture. | |
Lewiecki Clinical and Molecular Allergy 2004 2:9 doi:10.1186/1476-7961-2-9 |
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