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Table 1 Population and peri-operative intervention characteristics according to treatment group

From: Epoetin administrated after cardiac surgery: effects on renal function and inflammation in a randomized controlled study

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

Creatinine baseline μmol/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

  1. *Age and creatinine are expressed as mean ± standard deviation and length of cardiopulmonary bypass as median (25th-75thpercentiles).
  2. Categorical variables are written as numbers of participants and percentages (%).
  3. p compares the 3 treatment groups.
  4. information missing for 10 patients, 6 in the control group:% calculated for a total of 70 patients.