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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