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Conversion factors for Hologic 1000 and 2000 to 4500 machines
| Variables | 4500 = slope ± 2000 | 4500 = slope ± 1000 |
|---|---|---|
| Whole Body BMC (g) | = 1.019 ± 2000 | = 1.053 ± 1000 |
| Proximal femur BMC (g) | = 1.063 ± 2000 | = 0.989 ± 1000 |
| Femoral Neck BMC (g) | = 1.037 ± 2000 | = 0.978 ± 1000 |
| Lumber Spine BMC (g) | = 1.035 ± 2000 | = 0.979 ± 1000 |
Key: BMC – Bone mineral content; Slope – Slope of the regression of either 1000 or 2000 on 4500.
