Comparison of microstructural and mechanical properties of trabeculae in femoral head from osteoporosis patients with and without cartilage lesions: a case–control study

Table 5 Multiple regression models for predicting Young’s modulus for two groups

Model*		Unstandardized coefficients		Standardized coefficients	t	P
		B	Std.Error	Beta
Group 1	Constant	16.408	101.197		0.16	0.874
Group 1	BMD	534.452	142.100	0.710	3.76	0.003*
	GAG content	220.224	193.024	0.146	1.14	0.276
	Age	0.699	0.853	0.106	0.82	0.428
	BV/TV	6.489	4.284	0.366	1.51	0.156
	Tb.Th	−640.501	563.204	−0.257	−1.14	0.278
Group 2	Constant	−65.437	66.019		−0.99	0.341
	BMD	515.321	100.005	0.645	5.15	0.000*
	GAG content	746.284	169.159	0.443	4.41	0.001*
	Age	0.206	0.794	0.030	0.26	0.800
	BV/TV	0.333	2.332	0.036	0.14	0.889
	Tb.Th	−159.956	301.933	−0.138	−0.53	0.606

*significance was set at the P = 0.05 level of probability for inclusion in the model.

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