Research Article

Low-Dose Maintenance Intravenous Iron Therapy Can Prevent Anemia in Children with End-Stage Renal Disease Undergoing Chronic Hemodialysis

Table 1

Comparative baseline characteristics of the treatment group versus the comparison group.

CharacteristicsTreatment group (n = 21)Comparison group (n = 20) value

Age, mean, 95% CI13.5 (12–15.1)14.7 (13.8–15.7)0.17
Male, n (%)15 (71.4%)15 (75%)0.8
Primary disease, n (%)
 Urological abnormalities3 (14.3%)4 (20%)
 Glomerulopathy8 (38.1%)8 (40%)
 Kidney hypoplasia and dysplasia10 (47.6%)8 (40%)
Nutritional status
 Well-nourished8 (38.1%)16 (76.2%)
 Malnourished13 (61.9%)4 (23.8%)
Hemodialysis access
 Tunneled catheter19 (90.5%)18 (90%)
 Arteriovenous fistula2 (9.5)2 (10%)
ESA dosage (IU/kg/week), mean, 95% CI331.7 (256.4–407.1)325.7 (241.1–410.3)0.9
Hb (g/L), mean, 95% CI125 (121–129)131 (123–140)0.17
MCV (fL), mean, 95% CI87.5 (85.6–89.3)86.2 (82.4–90.1)0.54
MCH (pg/cell), mean, 95% CI1.78 (28.1–29.4)28.5 (27.2–29.9)0.71
MCHC (g/L), mean, 95% CI331 (325–336)331 (323–338)0.99
Absolute reticulocyte count (×109/L), mean, 95% CI72.9 (55.7–90)78.1 (62.5–93.8)0.64
Relative reticulocyte count, mean, 95% CI0.02 (0.016–0.024)0.019 (0.015–0.023)0.79
SI (µmol/L), mean, 95% CI11.6 (9.5–13.7)15.7 (12.5–18.9)0.03
TIBC (µmol/L), mean, 95% CI35.6 (33.4–37.9)37.3 (32.7–41.9)0.51
TSAT (%), mean, 95% CI34 (26.9–41.2)43.4 (33.6–53.2)0.11
Ferritin (µg/L), mean, 95% CI1074 (722.4–1425.6)1799.3 (828.7–2769.9)0.15
Dialysis vintage (days) median, range90 (5–1014)202 (28–927)0.73

CI = confidence interval, ESA = erythropoiesis-stimulating agent, Hb = hemoglobin, MCV = mean corpuscular volume, MCH = mean corpuscular hemoglobin, MCHC = mean corpuscular hemoglobin concentration, SI = serum iron, TIBC = total iron binding capacity, and TSAT = transferrin saturation.