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Table 1 Patients’ profiles

From: Shortened red blood cell age in patients with end-stage renal disease who were receiving haemodialysis: a cross-sectional study

  Haemodialysis
(n = 55)
Peritoneal dialysis
(n = 14)
p Value
Age (years) 71 (63–79) 70 (60–79) 0.83
Male sex 33 (60) 7 (50) 0.45
Body mass index (kg/m2) 21.3 (19.8–24.3) 23.4 (21.3–24.5) 0.12
Hypertension 47 (85) 13 (93) 0.46
Diabetes mellitus 32 (58) 5 (36) 0.13
Prior cardiovascular disease 14 (25) 3 (21) 0.76
Laboratory data
Haemoglobin (g/dL) 11.0 (10.5–11.7) 11.0 (10.5–11.8) 0.78
Haematocrit (%) 33.9 (32.1–36.5) 33.8 (33.1–35.9) 0.70
Albumin (g/dL) 3.5 (3.3–3.8) 3.5 (3.1–3.7) 0.35
High-sensitive CRP (mg/dL) 0.06 (0.04–0.29) 0.09 (0.02–0.43) 0.82
iPTH (pg/mL) 139 (103–190) 203 (150–240) 0.04
Transferrin saturation (%) 22 (16–28) 37 (24–43) 0.008
Ferritin (ng/mL) 50 (29–71) 119 (105–161) < 0.0001
Reticulocyte (%) 1.7 (1.4–2.1) 1.3 (1.0–1.7) 0.06
Haptoglobin (mg/dL) 78 (38–121) 96 (76–184) 0.04
Lactate dehydrogenase (U/L) 194 (176–212) 184 (156–225) 0.50
Iron supplement 18 (33) 3 (21) 0.40
Erythropoiesis-stimulating agent (μg/week) 30 (10–45) 12 (10–20) 0.02
Erythropoietin resistance index 9.4 (3.4–14.1) 3.9 (2.7–7.5) 0.02
  1. Data are presented as median (25th to 75th percentiles), or number (%)
  2. CRP C-reactive protein, iPTH intact parathyroid hormone