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Table 1 Baseline characteristics of patients cohort

From: Fibrosis independent atrial fibrillation in older patients is driven by substrate leukocyte infiltration: diagnostic and prognostic implications to patients undergoing cardiac surgery

Parameters

SR (n = 9)

AF (n = 9)

Patients (n = 18)

P-value

Age

62 ± 3.3

67 ± 3.0

64.1 (44–84)

0.229

Female gender

22

22

22%

1.000

Diabetes

11

11

11%

1.000

EF

59 ± 4.9

44 ± 7.2

51.3 (16–78)

0.114

EF > 50%

8

5

44%

0.200

BMI

27.6 ± 1.9

31.7 ± 3.2

29.6 (20–53.7)

0.292

NYHA III

1

5

66%

0.049*

Urgency

 In-hospital

4

5

50%

0.637

 Elective

5

4

50%

Procedure type

 CABG

4

4

8/18

0.940

 CABG + valve

1

1

2/18

 Aortic valve

3

1

4/18

 Aortic + mitral valve

1

1

2/18

 LVAD

1

1

2/18

Clinical frailty

 CFS class 4/5

3

6

50%

0.157

Echocardiogram

 LV diast diameter

5.1 ± 0.6

5.7 ± 1.1

5.5 (4.0–7.3)

0.422

 LV syst diameter

3.5 ± 0.9

4.3 ± 1.9

4.0 (2.4–6.9)

0.623

 LA diameter

4.2 ± 0.8

11.1 ± 16.7

4.5 (2.8–4.9)

0.295

 E/A ratio

1.4 ± 1.2

0.9 ± 0.1

1.2 (0.5–3.7)

0.845

CPB

 Pump time

120 ± 38.3

107.5 ± 33.1

114.1 (65–187)

0.689

LOS (days)

9 ± 1.9

17 ± 3.1

12.8 (5–27)

0.026*

Adverse events

 Delirium

2

3

5/18

0.598

 Stroke/TIA

0

1

1/18

1.000

 CHF

2

5

7/18

0.050*

  1. EF ejection fraction, CABG coronary artery bypass graft, BMI body mass index, CPB cardiopulmonary bypass)
  2. *Statistically significant