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Table 1 Demographic and clinical characteristic in patients without and with incident POAF

From: Overweight and aging increase the risk of atrial fibrillation after cardiac surgery independently of left atrial size and left ventricular ejection fraction

 

Incident POAF

 

Variable

No

(N = 122)

Yes

(N = 127)

P-value

Age, (mean ± standard deviation) years

60.4 ± 16.4

70.6 ± 10.7

0.001

Male, n (%)

79 (64.8%)

77 (60.6%)

0.59

BMI, (mean ± standard deviation) kg/m2

24.9 ± 3.6

26.8 ± 4.5

0.001

Arterial hypertension, n (%)

61 (50%)

93 (73.2%)

0.001

Diabetes, n (%)

17 (13.9%)

23 (18.1%)

0.37

Creatinine, (mean ± standard deviation) mg/dL

0.88 ± 0.32

1.06 ± 0.91

0.038

TSH, (mean ± standard deviation) mU/L

2.69 ± 4.33

1.96 ± 1.69

0.13

ACE-I, n (%)

43 (35.2%)

47 (33.8%)

0.85

Statins, n (%)

27 (22.2%)

39 (30.7%)

0.15

LA diameter, (mean ± standard deviation) mm

39.2 ± 8.1

40.1 ± 10.1

0.70

LA area, (mean ± standard deviation) cm2

23.9 ± 5.9

23.6 ± 5.9

0.69

LVEF, (mean ± standard deviation) %

58.6 ± 9.8

57.6 ± 7.9

0.41

CABG, n (%)

20 (16.4)

31 (24.4)

0.12

Operation time, (mean ± standard deviation) minutes

212 ± 74

227 ± 100

0.16

Clamp time, (mean ± standard deviation) minutes

70 ± 34

76 ± 32

0.13

Cardiopulmonary bypass time, (mean ± standard deviation), minutes

97 ± 51

101 ± 43

0.56

Mitral valve repair, n (%)

31 (25.4)

28 (22.0)

0.53

Tricuspid valve repair, n (%)

10 (8.2)

8 (6.3)

0.56

Aortic valve replacement, n (%)

49 (40.2)

50 (39.4)

0.90

Mitral valve replacement, n (%)

12 (9.8)

9 (7.1)

0.44

Tricuspid valve replacement, n (%)

1 (0.8)

0

0.49

Morrow septal myectomy, n (%)

3 (2.5)

5 (3.9)

0.72

Atrial septal defect closure, n (%)

4 (3.3)

3 (2.4)

0.72

Ascendant aorta replacement, n (%)

10 (8.2)

9 (7.1)

0.74

Bentall procedure, n (%)

12 (9.8)

31 (24.4)

0.023

Ventricular septal defect closure, n (%)

2 (1.6)

0

0.24

Pericardial effusion, n (%)

36 (29.8%)

35 (27.3)

0.67

Pleural effusion, n (%)

34 (28.1%)

33 (26.0%)

0.68

  1. POAF Post-operative atrial fibrillation, BMI Body mass index, TSH Thyroid stimulating hormone, ACE-I Angiotensin Converting Enzyme inhibitors, LA Left atrium, LVEF Left ventricular ejection fraction, CABG Coronary artery bypass graft