A measure for how far a raw score is from the mean in numerical terms, calculated by using a mean of 50 and a standard deviation of 10.
A measure of bone density in which the mass of a patient’s bones are compared with the bone mass of premenopausal women. A T score that is more than 1 standard deviation (SD) from the norm identifies bone that is osteopenic. A T score that is more than 2.5 SDs identifies osteoporosis.
The result obtained from a bone densitometry test, determined by comparing an individual’s bone mineral density to that of a healthy 30-year-old person of the same sex and race.