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Table 1 WHO definitions of normal bone, osteopenia and osteoporosis used to interpret central dual-energy X-ray absorptiometry scans

From: The clinical outcomes of cementless unicompartmental knee replacement in patients with reduced bone mineral density

Bone status

T score

Normal

Tā€‰ā‰„ā€‰āˆ’ā€‰1.0

Osteopenia

āˆ’ā€‰2.5ā€‰<ā€‰Tā€‰<ā€‰āˆ’ā€‰1.0

Osteoporosis

Tā€‰ā‰¤ā€‰āˆ’ā€‰2.5