Skip to main content
. 2015 Aug;5(4):552–568. doi: 10.3978/j.issn.2223-4292.2015.08.02

Table 3. Reproducibility of compartmental vBMD and compartmental tissue volume.

Parameters CVRMS (%) Absolute precision errors
Compartmental vBMD
   Mean integral femur vBMD 0.89 2.200 mg/cm3
   Mean integral head vBMD 0.96 2.217 mg/cm3
   Mean integral neck vBMD 1.27 3.626 mg/cm3
   Mean integral trochanter vBMD 0.96 2.416 mg/cm3
   Mean trabecular bone neck and trochanter vBMD 1.34 1.171 mg/cm3
   Mean cortical bone neck and trochanter vBMD 1.04 6.941 mg/cm3
   Mean trabecular bone neck vBMD 1.66 1.528 mg/cm3
   Mean cortical bone neck vBMD 1.33 8.911 mg/cm3
   Mean trabecular bone trochanter vBMD 1.30 1.135 mg/cm3
   Mean cortical bone trochanter vBMD 1.02 6.810 mg/cm3
Compartmental tissue volume
   Integral femur volume 0.20 277.865 mm3
   Integral neck and trochanter volume 0.27 230.849 mm3
   Cortical neck and trochanter volume 0.98 181.303 mm3
   Integral neck volume 0.44 65.389 mm3
   Cortical neck volume 1.82 63.078 mm3
   Integral trochanter volume 0.26 188.549 mm3
   Cortical trochanter volume 1.05 159.000 mm3

CVRMS, root mean square coefficients of variation; vBMD, volumetric bone mineral density. N=22 scan-rescan pairs with repositioning (all from site C; 8 pairs from manufacturer A, 14 pairs from manufacturer B).