Table 2.

Age and organ weight regression model with weight and height as covariates

Model	Variable	Regression Coefficient ± SE	P Value	R2 Explained Variance
Brain	Intercept	0.701±0.276	0.013
	Age	−0.002±0.001	<0.0001	0.10
	Weight	−0.001±0.001	0.460	0.00
	Height	0.353±0.173	0.043	0.02
	Race	−0.064±0.023	0.006	0.04
	Sex	0.132±0.033	0.0001	0.07
				Total: 0.54
LVM	Intercept	0.015±0.071	0.830
	Age	0.0002±0.0001	0.153	0.01
	Weight	0.001±0.0002	<0.0001	0.09
	Height	0.016±0.044	0.717	0.00
	Race	0.002±0.006	0.755	0.00
	Sex	0.050±0.008	<0.0001	0.13
				Total: 0.64
Kidney*	Intercept	−1.017±0.378	0.008
	Age	−0.002±0.001	0.003	0.04
	Weight	0.008±0.001	<0.0001	0.22
	Height	−0.348±0.237	0.145	0.01
	Race	−0.111±0.030	0.0004	0.06
	Sex	0.119±0.045	0.009	0.03
				Total: 0.50
Liver	Intercept	0.051±0.486	0.916
	Age	−0.003±0.001	0.001	0.05
	Weight	0.009±0.002	<0.0001	0.15
	Height	0.552±0.304	0.073	0.01
	Race	−0.110±0.040	0.007	0.03
	Sex	0.073±0.058	0.210	0.01
				Total: 0.56
Spleen*	Intercept	−2.850±0.826	0.0008
	Age	−0.008±0.002	<0.0001	0.11
	Weight	0.014±0.003	<0.0001	0.12
	Height	0.273±0.517	0.60	0.00
	Race	−0.340±0.068	<0.0001	0.10
	Sex	0.169±0.099	0.09	0.01
				Total: 0.57

Race: 0 = Caucasian; 1 = African-American. Sex: 0 = Women, 1= Men.

^*Log-transformed values.