Complications

Unmatched groups

Sequential ITA

Matched groups

Sequential ITA

YES

NO

YES

NO

N = 824

N = 820

p

N = 334

N = 334

p

Myocardial infarction

9 (1.1%)

12 (1.5%)

0.49

2 (0.6%)

6 (1.8%)

0.15

Ventricular arrhythmia

5 (0.6%)

2 (0.2%)

0.26

3 (0.9%)

1 (0.3%)

0.31

Reoperation bleeding

12 (1.5%)

8 (1%)

0.39

5 (1.5%)

4 (1.2%)

0.73

Low cardiac output

5 (0.6%)

9 (1.1%)

0.27

2 (0.6%)

3 (0.9%)

0.65

Stroke

2 (0.2%)

2 (0.2%)

0.98

0

1 (0.3%)

NA

Mediastinitis

7 (0.8%)

8 (1%)

0.79

2 (0.6%)

4 (1.2%)

0.41

All complications

40 (4.8%)

41 (5%)

0.89

14 (4.2%)

19 (5.7%)

0.37

Early mortality

6 (0.7%)

14 (1.7%)

0.07

3 (0.9%)

8 (2.4%)

0.13