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Osteoporosis Diagnosis (WHO T-score)

T-score (from DXA)

SD

The T-score compares BMD to young healthy adults. In premenopausal women and men < 50, use the Z-score (comparison to age-matched peers) instead.

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

When to Use

Interpreting Bone Mineral Density (BMD) from DXA reports.

Initial screening for osteoporosis in postmenopausal women and men aged ≥ 50.

Risk stratification for pharmacological management.

Last Comprehensive Review: 2026