📄 Bone Mineral Density BMD
amount of mineral matter per square centimeter of bones ,measured areal density in g cm−2
z-score, the number of standard deviations above or below the mean for the patient’s age, sex and ethnicity
t-score, the number of standard deviations above or below the mean for a healthy 30-year-old adult of the same sex and ethnicity as the patient
A negative (–) value means thinner bones, a positive (+) value means thicker and stronger bone
T-score is:
More than -1 normal
Between -1 and -2.5 osteopenia
Below -2.5 osteoporosis.
