Table 4.

Multivariate logistic regression analysis (forward method) between uremic pruritus and serum Al level ≥2 ug/dL and other variables (with P < 0.1 in univariate logistic regression analysis).

Variables	Odds ratio (95% confidence interval)	P
HD duration (years)	1.11 (1.07–1.14)	<0.001
Diabetes mellitus	0.57 (0.34–0.93)	0.024
Albumin (g/dL)	0.56 (0.34–0.94)	0.027
Log ferritin	1.83 (1.24–2.69)	0.002
Low-density lipoprotein (mg/dL)	1.01 (1.00–1.02)	0.001
Serum Al level ≥2 ug/dL (Yes)	2.38 (1.49–3.80)	<0.001

Abbreviation: Al, aluminum; HD, hemodialysis.