Table 2.

Factors associated with ESA/Hb and ERI: multivariate analyses (Linear Regression Model, n = 240 patients)

	ESA/Hb (μg/g/dL)		ERI (μg/kg/g/dL ×10)
	Coefficient (95% CI)	p-value	Coefficient (95% CI)	p-value
Age (per 10 years)	−0.47 [−0.66; −0.28]	0.02	−0.09 [−0.12; −0.06]	0.006
TSAT	−0.10 [−0.13; −0.07]	<0.001	−0.02 [−0.02; −0.01]	<0.001
Ferritin (per 10 ng/mL)	0.02 [0.03; 0.01]	0.003	0.004 [0.003; 0.005]	0.002
Albumin	−0.27 [−0.33; −0.21]	<0.001	−0.05 [−0.06; −0.04]	<0.001
Iron dose	0.003 [0.002; 0.004]	0.004	0.001 [0.001; 0.001]	0.007

ESA/Hb ESA dose over hemoglobin ratio, ERI ESA resistance index, TSAT transferrin saturation