Table 4. Multivariate analysis of risk factors for all-cause death.

Characteristic	HR	95% CI	p-value
Oral active Vitamin D	0.46	0.27–0.81	<0.001
Age (per year increase)	1.06	1.03–1.09	0.004
Cardiomyopathy	3.01	1.62–5.59	0.017
Albumin <3500 mg/dl	1.89	1.13–3.17	0.002