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Table 2 Baseline procedural characteristics of group I and group II

From: Application of bilateral internal mammary artery with different configurations in coronary artery bypass grafting

Items

Group I(n = 20)

Group II(n = 54)

P

Operation time(h)

5.2 ± 1.2

5.5 ± 1.2

0.457

Heparin protamine time (min)

138.9 ± 41.0

173.4 ± 58.9

0.019

Off-pump

13 (65.0%)

36 (66.7%)

0.893

Number of anastomosis

3.2 ± 0.9

3.3 ± 0.8

0.621

Perioperative MI

1 (5.0)

2 (3.7%)

1.000

CRRT (n, %)

1 (5.0%)

7 (13.0%)

0.435

Volume of blood (ml)

760.0 ± 373.3

772.2 ± 516.1

0.923

RBC transfusion(U)

2.1 ± 2.4

2.4 ± 4.2

0.738

Re- thoracotomy

0 (0)

2 (3.7%)

1.000

Sternal complication

1 (5.0%)

1 (1.9%)

0.470

Ventilator time(h)

17.1 ± 17.2

22.8 ± 42.4

0.567

ICU stay time(h)

43.9 ± 39.5

46.7 ± 54.6

0.835

Post-operative stay time(d)

10.7 ± 5.0

11.1 ± 7.5

0.827

  1. CRRT continuous renal replacement therapy, RBC red blood cell, ICU intensive care unit