Table 2.

Univariate and multivariate Cox regression analysis for all-cause mortality and heart failure rehospitalization.

	Univariate analysis		Multivariate analysis
	HR (95% CI)	p value	HR (95% CI)	p value
HFpEF patients with CKD (eGFR < 60)
Anemia	2.02 (1.27–3.20)	0.003	1.92 (1.06–3.46)	0.031
Hb (1 g/dL increase)	0.81 (0.74–0.90)	<0.001	0.83 (0.73–0.94)	0.004
HFpEF patients with mild CKD (45 ≤ eGFR < 60)
Anemia	2.79 (1.23–6.34)	0.014	3.05 (1.02–9.15)	0.046
Hb (1 g/dL increase)	0.77 (0.64–0.92)	0.004	0.74 (0.59–0.94)	0.012
HFpEF patients with moderate to severe CKD (15 ≤ eGFR < 45)
Anemia	1.39 (0.79–2.46)	0.253	1.28 (0.62–2.61)	0.503
Hb (1 g/dL increase)	0.87 (0.76–0.99)	0.043	0.89 (0.75–1.05)	0.168

HR, hazard ratio; CI, confidence interval.