Table 1.

T-Scores and WHO Diagnostic Criteria for Osteoporosis⁴,¹⁴

Interpretation	T-Score*
Normal	−1.0 and higher
Osteopenia	−1.0 to −2.5
Osteoporosis	−2.5 and lower
Severe osteoporosis	−2.5 and lower with one or more fragility fractures

^*Reference values vary by geographical location.

WHO = World Health Organization.