Prognosis of Elderly Japanese Patients Aged ≥80 Years Undergoing Hemodialysis

Table 3

Results of univariate and multivariate Cox regression analyses for overall survival in dialysis patients aged ≥80 years.

	Univariate analysis				Multivariate analysis
	P value	HR	95.0% CI		P value	HR	95.0% CI
Age (years)	0.443	1.024	0.96–1.09
Cerebro-cardiovascular disease	0.163	1.327	0.89–1.98
Diabetes mellitus	0.976	0.994	0.67–1.46
ECOG-PS	0.000	1.327	1.15–1.54	ECOG-PS	0.004	1.27	1.08–1.49
Mean blood pressure (mmHg)	0.164	0.994	0.99–1.01
Body mass index	0.060	0.961	0.92–1.01
Hemoglobin (g/L)	0.231	1.070	0.96–1.20	Hemoglobin	0.040	1.13	1.01–1.28
BUN (mg/dL)	0.177	1.004	0.99–1.01
eGFR (mL/min./1.73 m^2)	0.782	1.006	0.97–1.05
Albumin (mg/dL)	0.013	0.652	0.47–0.91	Albumin	0.067	0.71	0.48–1.03
Phosphorus (mg/dL)	0.068	1.132	0.99–1.29
Potassium (mEq/L)	0.265	1.133	0.91–1.41
Calcium (mg/dL)	0.861	1.024	0.79–1.33
Antihypertensive agents	0.275	1.324	0.80–2.19