Table 3 Summary of results for the Metacarpal Head (MH) 2 & 3 regions of interest (n = 10)
Variables | Mean (SD) | ICC (0.000-1.000) | Mean coefficient of variation (CV%) | Root mean square CV (RMSCV%) | Least significant change% (LSC%95) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MH3 | MH2 | MH3 | MH2 | MH3 | MH2 | MH3 | MH2 | MH3 | MH2 | ||||
Density (Apparent) | Full bone (mgHA/cm3) | vBMDfull | D & S | 438 (89) | 434 (82) | 0.997 | 0.998 | 0.83 | 0.57 | 1.0 | 0.78 | 2.8 | 2.2 |
Cortical (mgHA/cm3) | vBMDcort | D | 743 (106) | 751 (101) | 0.975 | 0.975 | 1.5 | 1.3 | 2.1 | 1.6 | 6.0 | 4.5 | |
Trabecular (mgHA/cm3) | vBMDtrab | D & S | 387 (79) | 378 (73) | 0.996 | 0.997 | 0.8 | 0.7 | 1.2 | 1.0 | 3.2 | 2.9 | |
Cortical bone | Thickness (mm) | CtTh | D | 0.39 (0.07) | 0.39 (0.06) | 0.933 | 0.973 | 4.8 | 1.6 | 6.17 | 2.7 | 17.1 | 7.4 |
Porosity (%) | CtPo | D | 1.2 (0.7) | 1.2 (0.4) | 0.153 | 0.727 | 23.2 | 17.0 | 33.2 | 22.2 | 92.1 | 61.4 | |
Trabecular bone | Volume fraction (%) | BV/TVtrab | D | 46 (5) | 46 (6) | 0.984 | 0.984 | 1.2 | 1.3 | 1.5 | 1.6 | 4.3 | 4.5 |
BV/TVtrabs | S | 26 (13) | 26 (13) | ||||||||||
Number (1/mm) | TbN | D & S | 2.6 (0.24) | 2.5 (0.23) | 0.904 | 0.884 | 2.1 | 2.2 | 2.5 | 2.8 | 6.9 | 7.7 | |
Thickness (mm) | TbTh | D | 0.23 (0.02) | 0.24 (0.02) | 0.978 | 0.978 | 0.74 | 1.1 | 3.9 | 3.5 | 10.8 | 9.8 | |
TbThs | S | 0.11 (0.03) | 0.11 (0.03) | ||||||||||
Separation (mm) | TbSp | D | 0.34 (0.05) | 0.34 (0.06) | 0.928 | 0.944 | 3.0 | 3.0 | 1.1 | 1.3 | 3.0 | 3.5 | |
TbSps | S | 0.27 (0.05) | 0.29 (0.05) | ||||||||||