Table 1 Patient characteristics

Age at operation (years)

76.8 ± 5.3

76.9 ± 5.7

76.9 ± 5.3

76.8 ± 5.2

Women

155 (73.5)

42 (79.3)

42 (71.2)

71 (71.7)

BSA (m²)

1.73 ± 0.19

1.72 ± 0.16

1.76 ± 0.21

1.72 ± 0.19

EuroScore II

1.6 ± 1.3

1.6 ± 1.1

1.6 ± 1.1

1.6 ± 1.6

NYHA

2.5 ± 0.7

2.5 ± 0.8

2.6 ± 0.8

2.4 ± 0.7

CCS

1.2 ± 1.3

1.2 ± 1.3

1.4 ± 1.2

1 ± 1.3

 Systolic (mmHg)

147 ± 27

150 ± 28

144 ± 25

147 ± 27

 Diastolic (mmHg)

79 ± 16

80 ± 20

77 ± 13

79 ± 15

eGFR (mL/min/1.73 m²)

50 ± 24

46 ± 18

52 ± 25

51 ± 25

 ≧50

53 (44.9)

11 (39.3)

19 (47.5)

23 (46)

 < 50

65 (55.1)

17 (60.7)

21 (52.5)

27 (54)

Smoker

 Never

68 (32.5)

21 (40.4)

17 (28.8)

30 (30.6)

 Active

95 (45.5)

19 (36.5)

31 (52.5)

45 (45.9)

 Quit

46 (22)

12 (23.1)

11 (18.6)

23 (23.5)

Diabetes

26 (12.4)

7 (13.5)

6 (10.2)

13 (13.1)

Hypertension

115 (55)

33 (63.5)

34 (58.6)

48 (48.5)

Ischaemic heart disease

108 (51.9)

31 (59.6)

37 (63.8)*

40 (40.8)*

Previous PCI

9 (4.3)

4 (7.6)

3 (5.3)

2 (2.0)

Previous CABG

7 (3.4)

1 (1.9)

4 (6.8)

2 (2.1)

Extracardiac arteriopathy

23 (10.9)

7 (13.2)

10 (17.0)

6 (6.1)

Atrial fibrillation

41 (19.8)

15 (28.3)

12 (20.7)

14 (14.6)

Apoplexia cerebri

22 (10.6)

7 (13.2)

6 (10.3)

9 (9.4)

COPD

37 (17.9)

6 (11.5)

11 (18.6)

20 (20.8)

 EF (%)

54 ± 13

53 ± 13

54 ± 12

55 ± 13

 Aorta area (cm²)

0.68 ± 0.2

0.68 ± 0.2

0.68 ± 0.2

0.68 ± 0.2

 Aorta CW max (mmHg)

74 ± 28

73 ± 28

70 ± 23

76 ± 32