High Erythropoiesis Resistance Index Is a Significant Predictor of Cardiovascular and All-Cause Mortality in Chinese Maintenance Hemodialysis Patients

Table 1

Characteristics of patients in the low ERI group and the high ERI group.

Variables	Low ERI group ()	High ERI group ()	Statistics	value
Age (years)			-2.165	0.031
Sex (male)	72 (52.17%)	78 (56.52%)	0.526	0.468
Duration of dialysis (months)	94.50 (80.75)	96.00 (90.50)	-0.221	0.825
WBC (×10^9)			1.668	0.093
NEUT (%)			-0.604	0.546
Alb (g/L)			5.612	<0.001
Prealbumin (g/L)			2.621	0.009
BUN (mmol/L)			0.498	0.619
hs-CRP (mmol/L)	2.63 (4.91)	4.49 (6.69)	-3.061	0.002
iPTH (pg/mL)	268.00 (197.30)	290.65 (348.58)	-1.186	0.236
ALP (U/L)	104.00 (45.50)	111.00 (43.00)	-2.249	0.024
P (mmol/L)			-0.544	0.587
cCa (mg/dL)			1.302	0.194
cCa × P (mg^2/dL^2)			1.150	0.251
sFerr (μg/L)			-2.207	0.028
TSAT (%)			-0.659	0.511
Folic acid (nmol/L)	24.50 (17.32)	24.50 (17.80)	-1.037	0.300
Creatinine (μmol/L)			2.625	0.009
ERI (IU/kg/w/g/dL)	8.37 (4.19)	16.615 (6.93)	-14.364	<0.001

Significant difference between the low ERI group and the high ERI group, . WBC: white blood count; NEUT: neutrophil; Alb: predialysis serum albumin; prealbumin: predialysis serum prealbumin; BUN: predialysis blood urea nitrogen; hs-CRP: predialysis serum high-sensitivity C-reactive protein; iPTH: predialysis serum intact parathyroid hormone; ALP: predialysis serum alkaline phosphatase; P: predialysis serum phosphorus; cCa: predialysis corrected serum calcium; sFerr: predialysis serum ferritin; TSAT: predialysis transferrin saturation; folic acid: predialysis serum folic acid; creatinine: predialysis serum creatinine.