Table 3.

Multivariate Cox proportional hazard regression models for long-term mortality.

CLINICAL VARIABLES	HR	95% CI	p-VALUE
Model 1
Serum calcium, mg/dL	0.708	0.557~0.901	0.005
Age, years	1.038	1.019~1.056	<0.001
Serum creatinine, umol/L	1.004	1.002~1.005	<0.001
Albumin, g/L	1.005	0.977~1.034	0.708
lgNT-proBNP	1.362	1.075~1.725	0.010
LVEF, %	0.977	0.965~0.989	<0.001
Model 2
Serum calcium ≤ 8.62 mg/dL	1.449	1.115~1.882	0.005
Age, years	1.038	1.02~1.056	<0.001
Serum creatinine, umol/L	1.004	1.003~1.005	<0.001
Albumin, g/L	1.003	0.976~1.03	0.853
lgNT-proBNP	1.333	1.053~1.689	0.017
LVEF, %	0.975	0.963~0.987	<0.001

Abbreviations: HR: hazard ratio; CI: confidence interval; LVEF: left ventricular ejection fraction.