Table 2.

Multivariate analysis of relationship between renal length and body parameters.

Variable	Right renal length						Left renal length
	All (n=950)		Male (n=501)		Female (n=449)		All (n=950)		Male (n=501)		Female (n=449)
	β	P	β	P	β	P	β	P	β	P	β	P
Age	0.090	<.001	0.097	<.001	0.082	.006	0.075	<.001	0.083	.007	0.062	.041
Height	0.075	<.001	0.081	<.001	0.070	<.001	0.066	<.001	0.053	.018	0.079	<.001
Weight	0.021	.552	0.024	.667	0.019	.677	−0.010	.779	−0.055	.329	0.028	.548
BMI	0.119	<.001	0.146	<.001	0.098	<.001	0.117	<.001	0.123	<.001	0.112	<.001
BSA	−4.695	.062	−5.590	.161	−3.979	.210	−2.615	.304	0.064	.987	−4.865	.136
Sex	−0.102	.007					−0.143	<.001
R2	0.843		0.820		0.867		0.845		0.829		0.862

BMI: body mass index, BSA: body surface area. Model summary for all patients for right kidney: R square=.843, adjusted R square=.842, Durbin-Watson test statistic=2.006; for male: R square=.820, adjusted R square=.818, Durbin-Watson test statistic=2.035; for female: R square=.820, adjusted R square=.866, Durbin-Watson test statistic=1.959. Model summary for all patients for left kidney: R square=.845, adjusted R square=.844, Durbin-Watson test statistic=1.961; for male: R square=.829, adjusted R square=.827, Durbin-Watson test statistic=1.952; for female: R square=.862, adjusted R square=.860, Durbin-Watson test statistic=1.969.