Justice
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Posts: 2,324
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T-Score
The T-score shows where your patient is compared to the population. In other words, an Irish woman with a small frame stacks up differently than an African American woman with a larger frame, and you want to know how they compare to people of their own sex, race, age, height and weight.
The T-score predicts fracture risk: For every -1 standard deviation the fracture risk doubles.
T-score = 0 has average risk for a normal 40 year old.
T-score = -1 has twice the risk.
T-score = -2 has 4 times the risk
T-score = -3 has 8 times the risk.
Notice that the T-score decreases by -1 for about every 10% of bone lost (i.e., a person with 90% of young adult normal bone density will tend to have a T-score of about -1).
The other big reason to notice the T-score is that the World Heath Organization defines osteoporosis on the basis of T-scores.
T -1 or higher = Normal
T -2.5 to -1 = Osteopenia
T below -2.5 = Osteoporosis
T below -2.5 + fragility fracture = Severe osteoporosis
# Women with a below-normal bone density of 2.5 SD or greater and who have no history of fractures should take bisphosphonates.
# Women with below-normal bone density 1 SD or more and have a history of fractures should consider bisphosphonates.
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| Drtweetie
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Thanks a lot, Justice!
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"Our greatest glory is not in never falling but in rising every time we fall." --Confucius
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