Figure 1From: Comparative changes in treatment practices and clinical outcomes following implementation of a prospective payment system: the STEPPS studyUnadjusted quarterly mean (95% confidence interval) epoetin alfa dose (lines) and percentage of subjects with hemoglobin concentrations <10 g/dL (bars) by 25% and 100% dialysis facility opt-in status. Hb, hemoglobin; EPO, epoetin alfa.Back to article page