Table 2.

Multiple linear regression models of the apparent elastic modulus.

Indep. variables	coef	[0.025	0.975]	P > |t|	No. Obs	R2	R2adj	AIC
Intercept	−1.73	−3.106	−0.344	0.02*	81	0.76	0.75	132
BV/TV	16.45	14.256	18.649	<0.001*
Age	0.00	−0.010	0.017	0.59
Sex (male)	0.17	−0.0.75	0.408	0.17
Intercept	−1.29	−1.845	−0.737	<0.001*	81	0.75	0.75	131
BV/TV	16.15	14.085	18.216	<0.001*
Intercept	−0.50	−1.664	0.668	0.40	81	0.80	0.79	119
E μFE	1.32	1.159	1.476	<0.001*
Age	0.00	−0.010	0.014	0.70
Sex (male)	0.25	0.028	0.476	0.03
Intercept	−0.14	−0.519	0.241	0.47	81	0.78	0.78	121
E μFE	1.29	1.137	1.441	<0.001*
Intercept	−0.85	−2.970	1.275	0.43	62	0.67	0.66	128
DXA aBMD	5.60	4.492	6.712	<0.001*
Age	0.00	−0.017	0.024	0.73
Sex (male)	−0.78	−1.141	−0.419	<0.001*
Intercept	−0.30	−1.071	0.466	0.43	62	0.57	0.56	141
DXA aBMD	4.71	3.812	5.611	<0.001*
Intercept	1.51	−0.321	3.334	0.10	62	0.68	0.66	127
E hFE	1.54	1.242	1.844	<0.001*
Age	−0.01	−0.031	0.008	0.24
Sex (male)	−0.01	−0.353	0.330	0.95
Intercept	0.49	0.006	0.970	0.05	62	0.67	0.67	124
E hFE	1.59	1.302	1.877	<0.001*

Abbreviation: DXA aBMD: dual-energy X-ray absorptiometry areal bone density, BV/TV: bone apparent density, hFEA: homogenized finite element analysis, μFEA: micro finite element analysis, E: elastic modulus. * p ≤ 0.01.