Table 3.
Bone mineral density at baseline and changes after 1 year
| Method of Measurement | Baseline |
Change at 1 Year | ||
|---|---|---|---|---|
| BMD, Mean±SD | Percent Losers≤−2% | Percent No Change=−1.9%–+1.9% | Percent Gainers≥+2% | |
| QCT total hip, g/cm3 | 291±72 | 51.3 | 27.6 | 21.1 |
| Cortical | 942±212 | 19.7 | 43.4 | 36.8 |
| Trabecular | 147±38 | 36.8 | 32.9 | 30.3 |
| QCT spine, mg/cm3 | ||||
| Trabecular | 168±58 | 39.2 | 15.2 | 45.6 |
| Cortical | 393±40 | 27.8 | 31.6 | 40.5 |
| DXA total hip, g/cm2 | 0.959±0.198 | 38.5 | 38.4 | 23.1 |
| DXA spine, g/cm2 | 1.22±0.206 | 38.3 | 30.9 | 30.8 |
BMD, bone mineral density; QCT, quantitative computed tomography; DXA, dual-energy x-ray absorptiometry.