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Table 2 Baseline laboratory values by CKD stage, mean (SD)

From: Ferumoxytol versus iron sucrose treatment: a post-hoc analysis of randomized controlled trials in patients with varying renal function and iron deficiency anemia

CKD Stage Hgb, g/dL TSAT, % Ferritin, μg/L
Ferumoxytol Treatment Group Iron Sucrose Treatment Group Ferumoxytol Treatment Group Iron Sucrose Treatment Group Ferumoxytol Treatment Group Iron Sucrose Treatment Group
All stages 9.1 (1.04) (n = 486) 9.2 (1.11) (n = 280) 8.7 (12.93) (n = 486) 9.4 (12.40) (n = 280) 68.8 (170.04) (n = 481) 88.6 (184.48) (n = 279)
Stage 1 (eGFR ≥90 mL/min) 8.8 (0.95) (n = 280) 8.8 (0.98) (n = 126) 5.8 (11.25) (n = 280) 4.3 (5.21) (n = 126) 14.1 (39.76) (n = 276) 15.4 (53.11) (n = 125)
Stage 2 (eGFR 60 to <90 mL/min) 9.1 (1.0) (n = 104) 8.9 (0.89) (n = 59) 6.6 (5.7) (n = 104) 5.1 (3.47) (n = 59) 55.4 (138.26) (n = 103) 22.7 (80.21) (n = 59)
Stage 3 (eGFR 30 to <60 mL/min) 9.3 (0.86) (n = 41) 9.5 (0.88) (n = 33) 13.4 (18.31) (n = 41) 16.1 (22.18) (n = 33) 106.6 (168.37) (n = 41) 106.5 (157.15) (n = 33)
Stage 4 (eGFR 15 to <30 mL/min) 9.8 (0.84) (n = 23) 10.0 (0.76) (n = 20) 21.7 (19.41) (n = 23) 17.0 (6.49) (n = 20) 152.3 (123.03) (n = 23) 141.4 (158.16) (n = 20)
Stage 5 (eGFR <15 mL/min) 10.2 (1.09) (n = 38) 10.2 (1.10) (n = 42) 22.3 (12.91) (n = 38) 21.7 (14.76) (n = 42) 411.3 (348.97) (n = 38) 359.7 (287.65) (n = 42)
  1. eGFR estimated glomerular filtration rate, Hgb hemoglobin, SD standard deviation, TSAT transferrin saturation