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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Bone. 2010 Oct 13;48(3):562–570. doi: 10.1016/j.bone.2010.10.003

Table 4.

Coefficients of determination (R2) from univariate linear regression of micro CT parameters with torsional biomechanical properties. Significant correlations are in bold face. Asterisk indicates the best univariate predictor for each of the biomechanical properties.

Torsional Rigidity
 Yield Torque
 Ultimate Torque
R2 p-value R2 p-value R2 p-value
PMIMin 0.38 0.001 0.42 0.001 0.57* 0.001
PMIAve 0.09 0.124 0.02 0.452 0.10 0.114
PMIMax 0.02 0.448 0.14 0.051 0.02 0.477
BVGraft 0.01 0.622 0.04 0.371 0.05 0.356
BVCallus 0.29 0.004 0.14 0.055 0.20 0.018
BVIntramed 0.31 0.002 0.19 0.022 0.16 0.038
BMDCallus 0.43 0.001 0.18 0.028 0.07 0.176
BMCCallus 0.20 0.019 0.09 0.130 0.16 0.037
Union Ratio 0.77* 0.001 0.59* 0.001 0.30 0.003