Table 1

Population and peri-operative intervention characteristics according to treatment group
Variables * All Control EPO 20’000ui EPO 40’000ui P∥
N = 80 N = 40 N = 20 N = 20
Population characteristics:
Age in years 66.3 ± 14.5 64.7 ± 14.7 68.9 ± 12.0 66.5 ± 16.5 0.56
Sex
    Male 56 (70) 27 (67.5) 16 (80) 13 (65) 0.52
    Female 24 (30) 13 (32.5) 4 (20) 7 (35)
Hypertension 55 (68.8) 26 (65) 17 (85) 12 (60) 0.18
Diabetes 23 (28.8) 14 (35) 5 (25) 4 (20) 0.44
Chronic kidney disease 11 (13.8) 6 (15) 2 (10) 3 (15) 0.85
Ischemic heart disease 33 (41.3) 17 (42.5) 9 (45) 7 (35) 0.79
Creatininebaselineμmol/l 86.4 ± 25.5 84.7 ± 26.4 92.5 ± 26.1 86.7 ± 24.0 0.79
Intraoperative variables:
Cardiopulmonary bypass min 100 (80–136) 100 (77–120) 96 (77.5-144) 110 (83–143) 0.58
Transfusions administred○ 28 (40) 17 (50) 6 (33.3) 5 (27.8) 0.24
Inotropic agent use 16 (20.3) 6 (15) 4 (21.1) 6 (30) 0.39
Vasopressor agent use 18 (22.8) 9 (22.5) 4 (21.1) 5 (25) 0.96
Urgency of operation 19 (23.8) 7 (17.5) 5(25) 7 (35) 0.32

*Age and creatinine are expressed as mean ± standard deviation and length of cardiopulmonary bypass as median (25th-75thpercentiles).

Categorical variables are written as numbers of participants and percentages (%).

∥ p compares the 3 treatment groups.

○ information missing for 10 patients, 6 in the control group:% calculated for a total of 70 patients.

de Seigneux et al.

de Seigneux et al. BMC Nephrology 2012 13:132   doi:10.1186/1471-2369-13-132

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