Table 2 Patient characteristics depending on whether the patient underwent an operation or was turned down

Age (years)

69 (61 – 74)

66 (58 – 72)

0.076

Female (%)

24.5

24.9

0.95

Diabetes (%)

12.2

12.9

0.89

Renal dysfunction (%)

6.1

1.2

0.017

Respiratory disease (%)

34.7

12.0

<0.001

Peripheral vascular disease (%)

24.5

4.8

<0.001

Cerebrovascular disease (%)

8.2

14.4

0.23

Endocarditis (%)

0

0.9

0.51

Recent MI (%)

0

1.8

0.34

EF 30–50% (%)

24.5

21.6

0.65

EF <30% (%)

12.2

3.0

0.003

Prior heart surgery (%)

14.3

2.7

<0.001