Table 1 Patient demography, Comorbidities, and Operative Data

Age, years

62.0 ± 9.5

62.6 ± 10.6

0.665

Weight, kg

69.2 ± 11.6

69.6 ± 10.0

0.809

Male, %

98(75%)

59(69%)

0.280

BMI, kg.m⁻²

25.0 ± 3.3

25.0 ± 2.9

0.995

Hypertension

89 (68%)

54 (63%)

0.388

Diabetes

41 (32%)

26 (30%)

0.839

NYHA

0.814

I/asymptomatic

42(32%)

30(35%)

II

65(50%)

45(52%)

III

21(16%)

10(12%)

IV

2(2%)

1(1%)

Pulmonary function ^a

FVC actual, L

3.31 ± 0.82

3.12 ± 0.86

0.130

FVC% predicted

89 ± 14

85 ± 15

0.114

FEV₁ actual, L

2.49 ± 0.72

2.45 ± 0.68

0.767

FEV₁% predicted

85 ± 18

86 ± 16

0.630

Pre. PO₂, mmHg^#

82 ± 18

81 ± 15

0.742

Pre. PCO₂, mmHg ^#

39 ± 4

40 ± 4

0.647

Pre. glucose, mmol/L

7.8(5.9–9.6)

7.0(5.8–9.2)

0.164

No. of grafts

 < 0.0001

1

77(59%)

79(92%)

2

45(35%)

7(8%)

3

8(6%)

/

Duration of surgery, h

2.9(2.1–4.6)

2.5(2.1–3.0)

0.003