Table 2.

Coefficients of determination (r²) for whole bone mechanical behavior, failure moment (M_F) and bending stiffness (EI).

		MF	EI
Average material properties	Tissue mineral content	0.78	0.50
	Tissue mineral density	0.65*	0.56
Geometric properties	Cortical area	0.63*	0.32#
	Moment of inertia	0.36*	0.09#
	Section Modulus	0.47*	0.16#
Spatially varying material properties	Moment of inertia (linearly weighted, Ilin,a)	0.49*	0.15#
	Section modulus (linearly weighted, Zlin,a)	0.54*	0.21#
	Moment of inertia (linearly weighted, Ilin,b)	0.57*	0.23#
	Section modulus (linearly weighted, Zlin,b)	0.66	0.29#
	Moment of inertia (exponentially weighted, Iexp)	0.75	0.43
	Section modulus (exponentially weighted, Zexp)	0.80	0.49

^*Significantly different r2 from the exponentially weighted section modulus for the failure moment.

^#Significantly different r² from the exponentially weighted section modulus for the bending stiffness.