Table 2 Intraoperative data of the two study groups

Number of patients

1,279

1,775

Priority of surgery

 Elective

1,176 (92%)

1,562 (88%)

<0.001

 Emergency

103 (8%)

213 (12%)

Cormack-Lehane

 1

681 (53%)

1,334 (75%)

<0.001

 2

466 (36%)

353 (20%)

<0.001

 3

114 (9%)

71 (4%)

<0.001

 4

12 (1%)

9 (0.5%)

0.154

 Missing

4 (1%)

5 (0.5%)

0.875

Neuromuscular blocking agent

 Cisatracurium

1,204 (94%)

1,572 (89%)

<0.001

 Rocuronium

30 (2%)

182 (10%)

<0.001

 Suxamethonium

9 (1%)

21 (1%)

0.185

 Missing

36 (3%)

0 (0%)

<0.001

Cut-to-suture time, minutes

198.2 ± 1.7

202.2 ± 1.6

0.138

Bypass time, minutes

83.5 ± 1.0

87.1 ± 1.0

0.105

Aortic clamping, minutes

49.0 ± 0.7

51.6 ± 0.6

0.299

Mechanical ventilation, hours

19.69 ± 1.5

21.22 ± 1.3

0.355

Intraoperative epinephrine, mg

102.0 ± 20.1

77.1 ± 14.2

0.054

Intraoperative norepinephrine, mg

1,165.7 ± 108.8

1,178 ± 79.0

0.458