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Table 1 Baseline characteristics of the study subjects

From: Relationship between variations in time-dependent response to erythropoiesis-stimulating agents and mortality in hemodialysis patients: a single-center study

  Total (n = 375) Male (n = 242) Female (n = 133)
Age, years 66.8 ± 13.6 64.6 ± 13.6 70.5 ± 12.2
BMI, kg/m2 22.0 ± 3.5 22.3 ± 3.4 21.5 ± 3.7
HD vintage, months 65.3 ± 75.2 58.7 ± 69.1 77.6 ± 84.3
Single-pool Kt/V 1.4 ± 0.3 1.3 ± 0.2 1.6 ± 0.3
Hb, g/dl 10.8 ± 1.1 10.8 ± 1.1 10.7 ± 1.0
Ferritin, ng/ml 89.6 ± 86.7 84.7 ± 87.9 97.0 ± 82.7
Albumin, g/dl 3.6 ± 0.3 3.7 ± 0.4 3.6 ± 0.3
CRP, mg/dl 0.6 ± 1.5 0.6 ± 1.4 0.6 ± 1.8
Intact PTH, pg/ml 152.1 ± 164.7 146.9 ± 157.1 162.1 ± 178.8
Phosphorus, mg/dl 5.3 ± 1.3 5.3 ± 1.4 5.2 ± 1.2
Calcium, mg/dl 8.7 ± 0.7 8.6 ± 0.8 8.7 ± 0.6
ALP, U/l 245.4 ± 99.4 231.9 ± 84.7 268.3 ± 117.3
TSAT, % 21.9 ± 11.3 22.8 ± 11.9 20.1 ± 9.9
Systolic BP, mmHg 149.6 ± 22.5 150.5 ± 22.8 148.2 ± 22.0
Diastolic BP, mmHg 78.0 ± 13.9 79.5 ± 14.5 75.4 ± 12.5
History of CVD 11.2 % 12.4 % 8.3 %
ESA dosage, IU/week 5444 ± 3538 5473 ± 3700 5392 ± 3238.6
ERI, IU/kg/week/g/dl 10.5 ± 7.8 9.6 ± 7.3 12.1 ± 8.4
  1. All data are presented as mean ± SD
  2. BMI body mass index, Hb hemoglobin, CRP C-reactive protein, PTH parathyroid hormone, ALP alkaline phosphatase, TSAT transferrin saturation, BP blood pressure, CVD cardiovascular disease, ERI ESA resistance index