Table 3 Comparison of baseline characteristics patients who completed the study versus twice the number of propensity score-matched historical controls

Demographic and risk factors

Age, years

66

 ± 7

68

 ± 5

0.29

Female sex

2

(4.8)

4

(19.0)

0.09

BMI < 18.5 or ≥ 35 kg/m²

7

(16.7)

3

(14.3)

1.00

Smoking history

29

(69.0)

15

(71.4)

0.85

Diabetes

20

(47.6)

12

(57.1)

0.48

Hypertension

40

(95.2)

19

(90.5)

0.60

Dyslipidemia

42

(100.0)

21

(100.0)

-

CVD

2

(4.8)

1

(4.8)

1.00

PVD

11

(26.2)

5

(23.8)

0.84

Renal failure

1

(2.4)

1

(4.8)

1.00

COPD

8

(19.0)

3

(14.3)

0.74

Pulmonary hypertension

0

(0.0)

0

(0.0)

-

Heart function

Atrial fibrillation

9

(21.4)

3

(14.3)

0.74

MI ≤ 21 days

3

(7.1)

1

(4.8)

1.00

LVEF < 40%

0

(0.0)

0

(0.0)

-

CHF

0

(0.0)

0

(0.0)

-

NYHA class 3–4

31

(73.8)

15

(71.4)

1.00

Surgery

Previous CV

7

(16.7)

3

(14.3)

1.00

Previous surgery

2

(4.8)

0

(0.0)

0.55

Urgent status

22

(52.4)

9

(42.9)

0.48

HCT < 24%

0

(0.0)

0

(0.0)

-

Procedure

CABG

37

(88.1)

17

(81.0)

0.72

Valve

3

(7.1)

3

(14.3)

CABG + valve

2

(4.8)

1

(4.8)