Table 2.

Pearson Correlation Coefficients Between Bone Mass Parameters, Trabecular Microarchitecture Parameters, Cortical Parameters, and Mechanical Behavior

	BMC	BMD	vBMD	BV/TV	Tb.Th	DA	SMI	Ct.Th	Ct.Curv	Failure load	Stiffness
BMD (g/cm2)	0.86***
vBMD (g/cm3)	0.51**	0.64***
BV/TV (%)	0.34	0.58***	0.70***
Tb.Th (µm)	0.42*	0.35	0.08	0.37*
DA (n)	–0.11	–0.18	–0.34	–0.59***	–0.42*
SMI (n)	–0.27	–0.47**	–0.45*	–0.80***	–0.35	0.21
Ct.Tha (µm)	0.61***	0.46**	0.09	0.29	0.68***	–0.09	–0.35
Ct.Curva (mm)	–0.60***	–0.50**	–0.27	–0.03	–0.36*	0.09	–0.14	–0.41*
Failure load (N)	0.56***	0.70***	0.50**	0.47**	0.08	0.09	–0.58***	0.36*	–0.16
Stiffness (N/mm)	0.45*	0.60***	0.61***	0.48**	–0.22	–0.02	–0.43*	0.01	0.06	0.75***
Work to failurea (N/mm)	0.45*	0.55***	0.17	0.27	0.44*	0.07	–0.36*	0.61***	–0.36*	0.67***	0.14

BMC = bone mineral content; BMD = bone mineral density; vBMD = volumetric bone mineral density; BV/TV = bone volume/tissue volume; Tb.Th = trabecular thickness; DA = degree of anisotropy; SMI = structure model index; Ct.Th = anterior cortical thickness; Ct.Curv = anterior cortical radius of curvature.

^aLogarithmic transformation.

^* p < .05;

^** p < .01;

^*** p < .001.