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Table 3 Summary of results for the Metacarpal Head (MH) 2 & 3 regions of interest (n = 10)

From: A customized protocol to assess bone quality in the metacarpal head, metacarpal shaft and distal radius: a high resolution peripheral quantitative computed tomography precision study

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