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Table 1 Baseline characteristics of HD patients

From: Erythropoiesis-stimulating agent resistance and mortality in hemodialysis and peritoneal dialysis patients

HD patients ESA ≤8,000 (units/week) ESA >8,000 (units/week)
  Hb ≥11 (g/dl) Hb <11 (g/dl) Hb ≥11 (g/dl) Hb <11 (g/dl)
Number 380 264 158 211
Age (years) 64.5 (13.2) 64.1 (14.4) 64.9 (13.7) 64.2 (12.8)
Sex (%) men 60.4 56.1 65.0 56.4
Weight (kg) 70.6 (12.4) 72.0 (14.3) 74.1 (14.9) 73.6 (14.8)
ESA dose (units/week) 6,000 (4,000-8,000) 6,000 (4,000-8,000) 12,000 (10,000-16,000) 12,000 (12,000-18,000)
ERI (units/week/kg/Hb) 6.5 (2.9) 7.9 (3.4) 16.0 (6.3) 22.3 (13.5)
Primary kidney disease (%)     
- Diabetes mellitus 10.6 17.4 16.5 15.6
- Glomerulonephritis 11.1 7.6 8.2 8.5
- Renal vascular disease 22.2 21.6 12.7 19.0
- Other 56.2 53.4 62.7 56.9
Comorbidity (%)     
- Diabetes mellitus 17.1 20.8 27.2 24.2
- Malignancy 7.4 9.8 11.4 18.5
- Cardiovascular disease 39.2 41.3 32.9 40.8
Weekly Kt/V urea (Watson) 3.7 (0.9) 3.5 (0.9) 3.7 (0.8) 3.7 (1.0)
rGFR (ml/min/1.73 m2) 2.9 (1.5-4.4) 2.3 (0.8-3.8) 2.1 (0.8-4.2) 1.5 (0.4-3.2)
Nutritional status (SGA) (%)     
- Severely malnourished 0.3 2.2 0.8 5.4
- Mild-moderate 19.1 25.4 27.1 37.3
- Well-nourished 80.6 72.4 72.0 57.2
Laboratory values     
- Hemoglobin (g/dl) 12.1 (11.6-12.7) 10.3 (9.5-10.6) 12.1 (11.6-12.8) 9.8 (9.2-10.5)
- Albumin (g/l) 37.5 (4.5) 36.0 (4.9) 35.6 (4.5) 34.1 (6.0)
- Ferritin (μg/l) 190 (104–380) 175 (94–379) 229 (121–434) 257 (118–511)
- PTH (pmol/l) 12.1 (5.5-23.8) 10.6 (4.7-23.9) 16.3 (6.4-33.7) 10.0 (3.2-23.4)
- CRP (mg/l) 6.0 (3.0-12.0) 6.0 (3.0-15.0) 9.0 (3.0-17.0) 14.0 (6.0-34.5)
  1. Values are presented as mean (SD), median (IQR) or percentage.