Guest guest Posted June 28, 2003 Report Share Posted June 28, 2003 Negative T's are still osteopenic (between 0 and -1.0). Z-scores are age-adjusted. --Steve Quote Link to comment Share on other sites More sharing options...
Guest guest Posted June 29, 2003 Report Share Posted June 29, 2003 Results of bone density tests can be reported in several ways: * Your bone mineral density (BMD) is usually measured in units of grams per square centimeter (g/cm2). * Your BMD value will be compared to other people of your age and sex. This is your " age-matched " value. It is given in standard deviations (SD) from the average value for your age group (Z-score). A negative (-) value indicates that you have thinner bones (lower bone density) than the average of people in your age group. The more negative the number is, the less bone density you have compared with others in your age group. A positive (+) value indicates that you have higher bone density than the average of people in your age group. * Your BMD value will also be compared with the average value for a young (30-year-old) healthy person of your sex. This is the " young normal " value or T-score. A negative (-) value indicates that you have thinner bones (lower bone density) than an average 30-year-old. The more negative the number is, the less bone density you have compared with an average 30-year-old. A positive (+) value indicates that you have higher bone density than an average 30-year-old. Bone Mineral T-score Results mean: Density (BMD) Normal: at least 0 SD no bone thinning Borderline low: -0.5 to -1.0 SD mild bone thinning Low: -1.0 to -2.5 SD significant bone thinning (osteopenia) Very low: less than -2.5 SD osteoporosis BMD test results that are lower than normal can be interpreted in several ways. * Doctors usually use the lowest T-score to diagnose osteoporosis. For example, if a T-score of -3 was obtained at the spine and a T-score of -2 was obtained at the hip, the spine measurement would result in a diagnosis of osteoporosis. * The more negative your T-score, the greater your risk of breaking a bone during a fall or from a minor injury. * Every change of 1 SD means a two-fold change in the risk of fracture at that site. For example, a T-score of -1 indicates a risk of fracture that is 2 times greater than a T-score of 0. * Low BMD values may be caused by other disorders, such as hyperthyroidism, hyperparathyroidism, multiple myeloma, Cushing's syndrome, ankylosing spondylitis, rickets, premature menopause, or a vitamin D deficiency. Your bone density does appear to be on a decline. It is problamatic whether increasing supplementation from 2000 to 2500 mg of calcium a day would help. Changing from three doses to four might help a little. One problem might be that you are taking 2000 mg of calcium citrate thinking that you are taking 2000 mg of calcium. Calcium citrate is only 21-29% calcium. If you are taking 2000 mg of just calcium citrate, your net calcium is 420-580 mg. One way to tell is by the number of calcium capsules you are taking. If you are taking capsules, you have to be taking 10 size #00 capsules, the largest usable for human consumption to net 2000 mg elemental calcium from calcium citrate. If you are taking 4 small capsules of calcium citrate, and think you are getting 2000 mg of calcium, you are being duped by product mislabeling. Ray Hooks For WLS nutrition info, visit http://www.bariatricsupplementsystem.com Sue Barr wrote: > > Well, I just got the results from my yearly dexa. My doc's told me the test is fine, that I'm " normal " but in digging around in my paperwork I see changes. I can't find last years but wanted to run the differences past ya's. > > 2001 > > Lumbar spine Z score 0.0 > > T score -0.6 > > This is within the range of normal > > Bone mineral density in the hips yields a Z score of 0.8 > > T score of 0.3 > > Conclusion > > Normal bone mineral density > > 2003 This is a little more detailed > > Total bone mineral density from L1 through L4 is 1.060 gm/cm2 > > T score is -1 > > Bone mineral density left his is 0.943 gm/cm2 > > Bone mineral density right his is 0.943 gm/cm2 > > T score for left hip is -0.5 > > T score for right hip is -0.6 > > Conclusion > > No evidence of osteoporosis or osteopenia. > > But I see a difference!! I'm taking 2000 mgs calcium citrate a day. Haven't had my labs done yet to check my pth. Asked my gyn about increasing to 2500 mgs daily and she said I'd just pee it out. > > Sooooooooooo.....any thoughts?? > > Sue > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted June 29, 2003 Report Share Posted June 29, 2003 Thanks Ray, it actually makes some sort of sense to me now. I know my PTH values have been high in the past. Need to get that tested again. Sue in Las Vegas Re: Dexa ?? Results of bone density tests can be reported in several ways: * Your bone mineral density (BMD) is usually measured in units of grams per square centimeter (g/cm2). * Your BMD value will be compared to other people of your age and sex. This is your " age-matched " value. It is given in standard deviations (SD) from the average value for your age group (Z-score). A negative (-) value indicates that you have thinner bones (lower bone density) than the average of people in your age group. The more negative the number is, the less bone density you have compared with others in your age group. A positive (+) value indicates that you have higher bone density than the average of people in your age group. * Your BMD value will also be compared with the average value for a young (30-year-old) healthy person of your sex. This is the " young normal " value or T-score. A negative (-) value indicates that you have thinner bones (lower bone density) than an average 30-year-old. The more negative the number is, the less bone density you have compared with an average 30-year-old. A positive (+) value indicates that you have higher bone density than an average 30-year-old. Bone Mineral T-score Results mean: Density (BMD) Normal: at least 0 SD no bone thinning Borderline low: -0.5 to -1.0 SD mild bone thinning Low: -1.0 to -2.5 SD significant bone thinning (osteopenia) Very low: less than -2.5 SD osteoporosis BMD test results that are lower than normal can be interpreted in several ways. * Doctors usually use the lowest T-score to diagnose osteoporosis. For example, if a T-score of -3 was obtained at the spine and a T-score of -2 was obtained at the hip, the spine measurement would result in a diagnosis of osteoporosis. * The more negative your T-score, the greater your risk of breaking a bone during a fall or from a minor injury. * Every change of 1 SD means a two-fold change in the risk of fracture at that site. For example, a T-score of -1 indicates a risk of fracture that is 2 times greater than a T-score of 0. * Low BMD values may be caused by other disorders, such as hyperthyroidism, hyperparathyroidism, multiple myeloma, Cushing's syndrome, ankylosing spondylitis, rickets, premature menopause, or a vitamin D deficiency. Your bone density does appear to be on a decline. It is problamatic whether increasing supplementation from 2000 to 2500 mg of calcium a day would help. Changing from three doses to four might help a little. One problem might be that you are taking 2000 mg of calcium citrate thinking that you are taking 2000 mg of calcium. Calcium citrate is only 21-29% calcium. If you are taking 2000 mg of just calcium citrate, your net calcium is 420-580 mg. One way to tell is by the number of calcium capsules you are taking. If you are taking capsules, you have to be taking 10 size #00 capsules, the largest usable for human consumption to net 2000 mg elemental calcium from calcium citrate. If you are taking 4 small capsules of calcium citrate, and think you are getting 2000 mg of calcium, you are being duped by product mislabeling. Ray Hooks For WLS nutrition info, visit http://www.bariatricsupplementsystem.com Quote Link to comment Share on other sites More sharing options...
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