Table 2. Determining factors for abdominal calcification score in hemodialysis patients with residual renal function.

	Univariate model			Multivariate model
	Beta	standard error	p-value	Beta	standard error	p-value
Age (y)	0.38	0.01	<0.001	0.39	0.01	<0.001
Male (vs. female)	0.16	0.19	0.09
Initial end-stage renal disease (Diabetes vs. non-diabetes)	0.25	0.19	0.01	0.22	0.17	0.01
Log-duration of hemodialysis (months)	-0.05	0.41	0.64	0.01	0.35	0.99
Mean interdialytic weight gain (kg)	0.27	0.08	0.01	0.17	0.08	0.64
Log-KRU (mL/min/1.73m2)	-0.32	0.17	0.001	-0.29	0.16	0.002
Use of vitamin D analogs	-0.12	0.20	0.25
Use of calcium-based phosphate binders	0.15	0.19	0.14
Log-(Ca × P) (mg2/dL2)	0.02	0.49	0.81
Log-CRP (mg/L)	0.07	0.18	0.53
Log-Parathyroid hormone (pg/dL)	-0.11	0.23	0.30
β2-Microglobulin (mg/L)	0.08	0.01	0.46

Abbreviations: Ca × P; calcium × phosphate; CRP, C-reactive protein; KRU, residual renal urea clearance.