Table 4.

Concentrations of hemoglobin, ESA doses and erythropoietin resistance index (ERI) at Control and Study phase

Variable	Number	Control-phase	Study-phase	Percent variation study versus control phase
Hemoglobin (g/dl)	32	11.2 ± 0.9	11.9 ± 1.3●	+6.25
Epoietin alpha (units per week)	19	11,313 ± 650	8670 ± 554●	−23.4
Darboepoietin alpha (units per week)	10	80 ± 11	61 ± 12+	−23.7
Mircera (unit per month)	3	233 ± 130	152 ± 67	−34.8
ERI: EPO (week/BW)/Hb	29	13.1 ± 7.5	9.5 ± 6.0●

Numbers are mean ± SD

^● p < 0.01

⁺ p < 0.05