T-score

T-score

a measurement expressed in standard deviation units from a given mean used in assessment of osteoporosis, equal to a patient's bone mineral density measurement by DEXA minus the value in a young healthy person, divided by the standard deviation of the measurement in the population.
References in periodicals archive ?
Quantitative data reflected that overall parent levels of self-esteem slightly increased but remained moderately high, based on the RSE from pretest to posttest with a t-score of -1.747.
If a woman has a T-score below -2.5 SD (standard deviations) on a bone density scan, she has osteoporosis, says Rosen, and it's time to consider prescription drugs.
These included color printouts of bone density levels, graphic images of the hip, spine and total body, t-score and z-scores, and graphs displaying their readings along with future projections based on normal rates of loss.
The mean T-score on the Multidimensional Pain Inventory was 50.02 for those using opioids at admission and 44.51 for nonusers.
* Make sure you discuss your T-score with your health care professional; don't assume you do or don't have the disease.
One commonly used is the dual X-ray absorptiometry method (DEXA), which takes measurements at the spine, hip, or forearm and converts them to a T-score of standard deviations (SD) comparing the patient's reading with that of a young adult.
The DXA scanner computes a numerical reading of bone strength, called a T-score, that is used to compare your bone density with established values.
A t-score of 2.03 indicates that the difference is statistically significant (at the .05 level).
Normal T-Score Scale Mean/SD T-Score Ranges Physical Environment 22.64/7.07 57 40-59 Physical Strain 22.19/8.48 52 40-59 Responsibility 25.36/6.93 52 40-59 Psychological Strain 21.07/7.50 50 40-59 Higher scores are more negative.
The T-score output used for assessing fracture risk scales comparably to spine and hip density.
The BMD values were expressed as the number of SD from the mean of a healthy young Caucasian population (t-score).
T-score norms were computed for each individual test using the scores from the initial administration to the 697 sample.