Table 2. Univariate analysis of predictive factors for the occurrence of the 1-year mortality.

Variable	Odds ratio	95% CI	P
EuroSCORE II, %	1.370	1.173–1.600	<0.0001
NT-proBNP,	1.084	1.046–1.126	0.02
RBC, min/μL	0.103	0.026–0.371	0.0002
RDW, %	1.907	1.303–2.771	0.0002
STS score, %	1.983	1.451–2.710	<0.0001

NT-proBNP, N-terminal of the prohormone brain natriuretic peptide; RBC, red blood cell count; RDW, red cell distribution width.