Table 2 Baseline characteristics

Age (years)

68 ± 10

67 ± 11

68 ± 9

0.97

Male/female

163/88

134/76

26/13

0.93

Risk factors

 Body mass index (kg/m²)

28 ± 4.6

27. ± 4.8

27 ± 4.5

0.18

 Smoking

85

66

16

0.49

 Hypertension

184

144

34

0.05

 Hypercholesterolemia

125

95

21

0.48

 Diabetes mellitus

78

63

13

0.91

 Positive family history

40

31

8

0.66

 Ejection fraction (%)

53 ± 14

52 ± 15

62 ± 10

0.07

 Renal disorder

29

33

6

0.41

 Peripheral disease

17

12

6

0.09

 Neurocerebral events

36

26

4

0.70

 Pulmonary hypertension

26

11

3

0.13

 COPD

18

18

4

0.74

 Dialysis

1

2

0

0.66

Preoperative medications

 ß-blockers

158

129

29

0.31

 ACE inhibitors

135

103

25

0.19

 Oral nitrates

55

33

5

0.15

 Antiarrhythmics

11

7

1

0.77

 Diuretics

106

80

13

0.46

 Antilipid agents

119

94

25

0.08

 Antidiabetics

51

35

8

0.58

 Antihypertensive agents

54

49

8

0.87

 Bronchodilators

6

8

1

0.66

 Anticoagulation

163

145

29

0.40

 Urgency of surgery

 Elective (n = 396)

202

161

33

0.41

 Urgent (n = 41)

26

13

2

0.21

 Emergency (n = 63)

23

36

4

0.03

Associated surgical procedures

 CABG (n = 251)

118

111

22

0.26

 Valve (n = 107)

58

44

5

0.32

 Combined procedures (n = 101)

55

36

10

0.36

 Other procedures (n = 41)

20

19

2

0.78

 Euroscore additive

5 ± 4

6 ± 4

5 ± 3

0.19