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Table 1 Classification of Bone Mineral Density (World Health Organization) [14].

From: Management of osteoporosis

Classification T-score
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
  1. 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.