Table 1 Variables of the study group

Age (Years)

50.7 ± 21.1

59.2 ± 14.4

0.018

BMI (kg/m2)

24.92 ± 4.1

26.18 ± 4.9

0.160

Treatment data (average of the last month)

Pretreatment weight (kg)

60.44 ± 14.02

66.75 ± 15.83

0.032

Ultrafiltration (L)

3.022 ± 0.900

2.753 ± 0.873

0.122

Post-treatment weight (kg)

57.60 ± 13.70

64.09 ± 15.75

0.026

IDWG (%)

5.44 ± 1.76

4.45 ± 1.57

0.003

Systolic blood pressure pre-treatment (mmHg)

137.8 ± 23.8

143.7 ± 24.5

0.209

HDF volume (L)

21.92 ± 3.29

22.90 ± 6.29

0.360

HD time (min)

216.0 ± 13.4

219.4 ± 13.3

0.420

HDF time (min)

217.0 ± 10.3

213.0 ± 15.7

0.415

HD Effective blood rate -QB (Ml/min)

372.0 ± 21.7

379.4 ± 16.9

0.434

HDF Effective blood rate -QB (Ml/min)

445.7 ± 45.0

426.3 ± 56.9

0.084

Erythropoietin dosage (U/Kg/Week)

47.37 ± 51.27

47.84 ± 57.59

0.990

Laboratory tests (average of the last 3 months)

Hemoglobin g/dl

10.66 ± 1.82

10.64 ± 2.05

0.950

Lymphocytes (u/ul)

1.844 ± 0.523

1.865 ± 0.523

0.859

Transferrin saturation (%)

25.31 ± 13.49

32.75 ± 17.23

0.009

Ferritin (mg/dl)

258.9 ± 415.1

388.5 ± 472.3

0.151

Glucose (Mg/dl)

131.9 ± 75.1

174.2 ± 107.1

0.021

Urea (mg/dl)

95.5 ± 35.9

120.3 ± 53.1

0.006

Creatinine (mg/dl)

8.00 ± 2.70

8.22 ± 4.25

0.753

Cholesterol (mg/dl)

189.6 ± 44.5

178.3 ± 41.7

0.238

Triglycerides (mg/dl)

157.1 ± 94.1

174.7 ± 95.0

0.397

Albumin (G/dl)

4.24 ± 0.49

3.98 ± 0.56

0.007

ALT (U/L)

24.6 ± 56.6

19.4 ± 13.0

0.518

Alkaline phosphatase (U/L)

174.8 ± 116.3

177.4 ± 114.1

0.915

Sodium (meq/l)

134.09 ± 3.89

134.60 ± 4.74

0.551

Potassium (meq/l)

5.17 ± 0.84

5.12 ± 0.83

0.765

Calcium (mg/dl)

9.10 ± 0.96

9.03 ± 1.44

0.777

Phosphate (mg/dl)

4.92 ± 1.64

5.11 ± 1.76

0.577

Parathyroid hormone (pg/dl)

363.6 ± 230.8

342.1 ± 289.4

0.692