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Table 1 Demographics and laboratory profile

From: Achievement of renal anemia KDIGO targets by two different clinical strategies – a European hemodialysis multicenter analysis

mean (SD) All Portugal Poland p*
Number of patients 1247 730 517
Age (years) 68 (14) 69 (14) 67 (15) < 0.01
Time on dialysis (months) 60.7 (58.5) 66.1 (63.7) 53.2 (49.4) < 0.001
Weight post dialysis (kg) 70.2 (22.1) 68.2 (13.8) 74.3 (29.8) < 0.001
BMI (kg/m2) 26.0 (7.8) 25.2 (4.7) 27.1 (10.7) < 0.001
Hemoglobin (g/dL) 11.0 (1.3) 11.0 (1.3) 11.0 (1.3) N.S.
TSAT (%) 31.3 (14.5) 28.5 (12.9) 35.3 (15.5) < 0.001
Ferritin (μg/L) 605.4 (491.5) 497.9 (344.3) 757.1 (613.5) < 0.001
Weekly dose of ESA (corrected) (U) 4306 (5134) 5154 (6077) 3133 (3068) < 0.001
Iron dose (mg per month 1) 176 (172) 143 (176) 246 (141) < 0.001
Iron dose (mg per month 2) 164 (164) 147 (173) 198 (141) < 0.001
Iron dose (mg per month 3) 176 (180) 151 (187) 230 (150) < 0.001
spKt/V 1.8 (0.4) 2.0 (0.4) 1.6 (0.3) < 0.001
URR (%) 77.5 (8.1) 79.9 (6.7) 74.2 (8.7) < 0.001
Weekly treatment time (min) 729 (56) 724 (53) 737 (55) < 0.001
Treated blood volume (L/kg) 1.34 (0.32) 1.45 (0.35) 1.20 (0.24) < 0.001
IDBWG (kg) 2.3 (1.7) 1.9 (1.7) 2.9 (1.5) < 0.001
Albumin (g/L) 40.7 (3.7) 40.4 (3.4) 41.2 (3.6) N.S.
Calcium (mg/dL) 8.8 (0.7) 8.9 (0.6) 8.7 (0.8) < 0.001
Phosphorus (mg/dL) 4.4 (1.4) 4.1 (1.2) 4.7 (1.5) < 0.001
Intact PTH (pg/mL) 563 (531.5) 561 (518.0) 565 (551.2) N.S.
  1. *Students t-test between hemodialysis facilities in countries
  2. N.S. = Not significant
  3. Abbreviations: BMI body mass index, TSAT transferrin saturation, ESA erythropoiesis-stimulating agents, spKt/V single pool Kt/V, URR urea reduction ratio, IDBWG interdialytic body weight gain, PTH parathyroid hormone