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World health organization criteria for defining osteoporosis and osteopenia [10]
| Condition | Description |
|---|---|
| Normal | BMD ≤ 1 SD below the mean for a young healthy adult |
| Osteopenia | BMD > 1 but < 2.5 SD below the mean for young healthy adult |
| Osteoporosis | BMD ≥ 2.5 SD below the mean for a young healthy adult |
