Table 3.

Univariable and multivariable Cox hazard model for mortality

	Univariable analysis		Multivariable analysis
	HR (95% CI)	P value	HR (95% CI)	P value
Age (years)	1.071 (1.033–1.109)	<0.01	1.024 (0.979–1.072)	0.31
BNP (pg/mL)	1.001 (1.000–1.001)	<0.01	1.001 (0.999–1.001)	0.13
Haemoglobin (g/dL)	0.803 (0.695–0.928)	<0.01	0.954 (0.811–1.123)	0.57
C‐reactive protein (mg/dL)	1.310 (0.980–1.751)	0.07	1.144 (0.839–1.561)	0.39
combined index (GNRI + SWT)	3.005 (2.051–4.404)	<0.0001	2.249 (1.362–3.716)	<0.01

BNP, brain natriuretic peptide; CI, confidence interval; GNRI, geriatric nutritional risk index; HR, hazard ratio; SWT, simple walking test.