WHO T-score categories
Endocrinology
Also known as: WHO-Kategorien der Knochendichte (T-Score) · DSÖ kemik yoğunluğu T-skoru kategorileri · WHO bone mineral density categories by T-score (osteoporosis)
What it is for
Densitometric categories from bone mineral density (BMD) by dual-energy X-ray absorptiometry (DXA). The T-score is the number of standard deviations from the mean peak BMD of healthy young adults; used for postmenopausal women and men aged 50 or more.
Classification
| Category | Description |
|---|---|
| Normal | T-score ≥ −1.0. |
| Osteopenia (low bone mass) | T-score between −1.0 and −2.5. |
| Osteoporosis | T-score ≤ −2.5. |
| Severe (established) osteoporosis | T-score ≤ −2.5 plus one or more fragility fractures. |
Source
Assessment of fracture risk and its application to screening for postmenopausal osteoporosis. Report of a WHO Study Group
WHO · World Health Organ Tech Rep Ser 1994;843:1–129
PMID: 7941614
- Edition
- WHO 1994 (Technical Report Series 843; current densitometric definition)
- Checked on
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