Table 4.

Association between serum potassium variability and risk of mortality in all study population.

CVSP	N patients (%)	HR (95%, CI), All-cause mortality				HR (95%, CI), Cardiovascular mortality
		Unadjusted	p-value	Adjusted	p-value	Unadjusted	p-value	Adjusted	p-value
L-CVSP	439 (75.7%)	1.00 (reference)		1.00 (reference)		1.00 (reference)		1.00 (reference)
M-CVSP	105 (17.9%)	1.50 (0.96, 2.35)	0.08	1.10 (0.69, 1.75)	0.70	1.13 (0.52, 2.43)	0.76	1.01 (0.46, 2.26)	0.97
H-CVSP	44 (7.5%)	2.79 (1.55, 5.03)	< 0.01	2.17 (1.18, 3.97)	< 0.05	3.03 (1.27, 7.24)	< 0.05	2.53 (1.03, 6.22)	< 0.05

HR hazard ratio.