Table 2.
Comparison of body composition parameters measured by DPX-L and Prodigy DXA (mean±SD).
| Region | Parameter | DPX-L | Prodigy | Pa |
|---|---|---|---|---|
| Total bodyb | BMD (g/cm2) | 1.167 ± 0.128 | 1.191 ± 0.139 | <0.001 |
| BMC (kg) | 2.61 ± 0.67 | 2.68 ± 0.70 | <0.001 | |
| Fat mass (kg) | 21.2 ± 10.4 | 22.0 ± 10.3 | <0.001 | |
| Lean tissue mass (kg) | 45.7 ± 12.4 | 45.6 ± 12.5 | 0.350 | |
| Total body mass (kg) | 69.5 ± 18.0 | 70.2 ± 18.1 | <0.001 | |
| Percent fat (%) | 29.8 ± 9.9 | 30.6 ± 9.8 | <0.001 | |
|
| ||||
| Arms | BMD (g/cm2) | 0.908 ± 0.158 | 0.916 ± 0.155 | <0.05 |
| BMC (kg) | 0.35 ± 0.12 | 0.36 ± 0.12 | <0.001 | |
| Fat mass (kg) | 1.7 ± 1.0 | 2.0 ± 1.1 | <0.001 | |
| Lean tissue mass (kg) | 5.1 ± 2.2 | 5.4 ± 2.2 | <0.001 | |
| Percent fat (%) | 24.3 ± 10.1 | 26.0 ± 10.7 | <0.001 | |
|
| ||||
| Legs | BMD (g/cm2) | 1.238 ± 0.174 | 1.299 ± 0.187 | <0.001 |
| BMC (kg) | 1.02 ± 0.29 | 1.03 ± 0.28 | <0.01 | |
| Fat mass (kg) | 8.4 ± 4.2 | 8.2 ± 4.0 | <0.05 | |
| Lean tissue mass (kg) | 15.7 ± 4.5 | 15.6 ± 4.5 | <0.05 | |
| Percent fat (%) | 32.7 ± 11.3 | 32.8 ± 11.2 | 0.705 | |
|
| ||||
| Trunk | BMD (g/cm2) | 0.928 ± 0.123 | 0.933 ± 0.126 | 0.096 |
| BMC (kg) | 0.77 ± 0.23 | 0.81 ± 0.26 | <0.001 | |
| Fat mass (kg) | 10.2 ± 5.5 | 11.1 ± 5.7 | <0.001 | |
| Lean tissue mass (kg) | 21.7 ± 5.6 | 21.4 ± 5.7 | <0.001 | |
| Percent fat (%) | 29.7 ± 10.2 | 31.8 ± 10.2 | <0.001 | |
a
Comparisons made by paired t-tests
b
Total body parameters include the head in the estimate