Group 1

EF < 40%

Group 2

EF ≥ 40%

P value

(n = 120)

(n = 50)

Number of grafts

3.12 ± 1.00

2.68 ± 0.89

0.007*

LIMA

116 (96.6%)

48 (96.0%)

0.830

Type of grafts

RIMA

7 (5.8%)

2 (4.0%)

0.626

Radial

6 (5%)

7 (14.0%)

0.044*

SV

117 (97.5%)

47 (94.0%)

0.259

CBP time (min)

111.95 ± 41.27

103.40 ± 54.98

0.267

ACC time (min)

66.72 ± 24.90

62.54 ± 40.82

0.415

Total operative time (hours)

5.53 ± 0.81

5.12 ± 1.03

0.006*

DC shock application

49 (40.8%)

16 (32.0%)

0.280

Surgical technique problems

9 (7.5%)

2 (4.0%)

0.398

Intra-operative complications

8 (6.6%)

2 (4.0%)

0.500

Re exploration

7 (5.8%)

3 (6.0%)

0.964

Mediastinal drainage (ml)

749.35 ± 377.99

694.34 ± 390.94

0.393

Duration of mechanical ventilation (hrs)

17.99 ± 24.58

16.98 ± 26.16

0.811

ICU stay (days)

3.75 ± 1.93

3.39 ± 1.69

0.252

Total hospital stays (days)

8.85 ± 3.33

7.93 ± 4.10

0.127

Postoperative cardiac support

Adrenaline

93 (77.5%)

26 (52.0%)

<0.001*

Dobutamine

6 (5.0%)

1 (2.0%)

0.369