Fig. 2From: The prebiotic effects of soluble dietary fiber mixture on renal anemia and the gut microbiota in end-stage renal disease patients on maintenance hemodialysis: a prospective, randomized, placebo-controlled studyBar chart of the percentage change in Hb, Fe2+, and SF at the end of 8 weeks compared with baseline for both the DF (n = 81) and control (n = 81) groups. Hb hemoglobin, Fe2+ serum iron, SF serum ferritin, DF dietary fiberBack to article page