Table 2 Results of pQCT reproducibility measurements (four measurements in each of nine subjects) of the third metacarpal bone
Scan location | Bone parameter | Overall mean | SD | CV (%) | 95% CI of CV (%) |
|---|---|---|---|---|---|
Distal epiphysis (4%) | BMC (mg/mm) | 46.4 | 0.76 | 1.64 | 1.18 to 2.14 |
| Â | Total CSA (mm2) | 124.1 | 2.82 | 2.27 | 1.72 to 2.77 |
| Â | Total BMD (mg/cm3) | 373.6 | 3.69 | 0.99 | 0.77 to 1.24 |
| Â | Trabecular BMD [mg/cm3] | 331.0 | 8.10 | 2.45 | 1.96 to 2.99 |
Shaft (30%) | BMC (mg/mm) | 52.4 | 0.71 | 1.35 | 0.98 to 1.70 |
| Â | Total CSA (mm2) | 75.7 | 1.42 | 1.87 | 1.32 to 2.26 |
| Â | Cortical CSA (mm2) | 38.1 | 0.59 | 1.55 | 1.13 to 2.10 |
| Â | Cortical BMD (mg/cm3) | 1,166.38 | 10.29 | 0.88 | 0.62 to 1.12 |
Shaft (50%) | BMC (mg/mm) | 52.8 | 0.44 | 0.84 | 0.62 to 1.11 |
| Â | Total CSA (mm2) | 58.8 | 0.86 | 1.46 | 1.01 to 1.92 |
| Â | Cortical CSA (mm2) | 39.3 | 0.40 | 1.02 | 0.67 to 1.33 |
| Â | Cortical BMD (mg/cm3) | 1,205.8 | 8.51 | 0.71 | 0.41 to 0.99 |