QCT T scores in women
| Values for an average woman
|
|---|
| Age | DEXA | QCT
|
|---|
| . | mg/cm2 | T-score | mg/cm3 | T-score
|
|---|
| 25
| 955 | zero | 166 | 0
|
|---|
| 35
| 945 | -0.08 | 162 | -0.21
|
|---|
| 45
| 920 | -0.28 | 151 | -0.79
|
|---|
| 55
| 876 | -0.64 | 119 | -2.47
|
|---|
| 65
| 809 | -1.19 | 103 | -3.32
|
|---|
| 75
| 740 | -1.75 | 83 | -4.37
|
|---|
| 85
| 679 | -2.24 | . | .
|
|---|
These numbers are the standardized values from a stratified representative sample (N=14,646) of the noninstitutionalized population of the US (Looker, A. C.(1998). Updated data on proximal femur bone mineral levels of US adults. Osteoporos Int 8: 468-89.) The standard deviation for young women is 123.
The QCT data are from Block, J.E., J Bone Miner Res 1989 4:249. The standard deviation for young women is 19 and for older women is 23 to 28.
updated 9/22/99
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