Table 3.

Multivariate regression analysis results of a model for pre-dialysis percent overhydration using predictors in the first column.

	Unstandardized Coefficients		Standardized Coefficients
Model	B	Std. Error	beta	t	Significance
(constant)	1.36	12.659		0.107	.915
Male gender	−1.73	2.391	−0.094	−0.723	.473
Age (years)	0.07	0.089	0.113	0.727	.471
DM	4.37	2.832	0.246	1.543	.129
Smoking status	9.91	2.765	0.557	3.582	.001
Vintage (months)	−0.01	0.016	−0.044	−0.339	.736
Charlson score	0.19	0.626	0.044	0.297	.767
Hemoglobin	−0.88	0.734	−0.163	−1.192	.239
OCM-Kt/V	7.67	3.953	0.281	1.932	.059

OCM-Kt/V: on-line Kt/V measurement results.