Table 2.

Variables correlation with serum potassium variability.

Variables	r (95% CI)	p-value
Age	0.05 (−0.03, 0.13)	0.25
Male a	−0.06 (−0.14, 0.03)	0.17
Dialysis vintage	−0.11 (−0.19, −0.02)	0.01
BMI	0.05 (−0.03, 0.13)	0.25
History of cardiovascular diseases b	0.07 (−0.01, 0.15)	0.08
History of diabetes mellitus b	0.08 (−0.00, 0.16)	< 0.05
URR	0.01 (−0.08, 0.09)	0.90
Use of ACEI/ARB c	0.03 (−0.06,0.11)	0.55
Use of beta-blockers c	−0.09 (−0.17, −0.00)	0.04
Use of diuretics c	−0.02 (−0.10, 0.07)	0.68
Use of potassium binders c	−0.05 (−0.14, 0.03)	0.20
Hemoglobin	−0.11 (−0.19, −0.03)	< 0.01
Albumin	−0.06 (−0.14,0.02)	0.16
Prealbumin	−0.10 (−0.18, −0.02)	< 0.05
Alkaline phoshatase	0.11 (0.03, 0.19)	< 0.01
Total cholesterol	0.03 (−0.06,0.11)	0.55
Triglycerides	−0.03 (−0.11, 0.05)	0.48
Low-density cholesterol	0.03 (−0.05, 0.11)	0.47
High-density cholesterol	0.01 (−0.07, 0.09)	0.82
Phosphorus	0.01 (−0.07, 0.09)	0.76
Intact parathyroid hormone	0.01 (−0.08, 0.09)	0.89
Ferritin	0.06 (−0.03, 0.14)	0.19
Bicarbonate	0.02 (−0.06, 0.10)	0.68
Corrected calcium	−0.03 (−0.11, 0.05)	0.43
Mean of serum potassium	0.05 (−0.03, 0.14)	0.19

^a Compared to female.

^b Compared to patients without history of cardiovascular diseases or diabetes mellitus.

^c Compared to patients without use of ACEI/ARB, beta-blockers, diuretics or potassium binders.