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) | ||||||||||
D = Direct Transformation Method; S (Grey fill) = Derived Standard Clinical Equivalent.