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Table 2 Patient characteristics and clinical outcome of disappeared AF vs intermittent/permanent AF patients

From: Clinical significance and risk factors for new onset and recurring atrial fibrillation following cardiac surgery - a retrospective data analysis

Variable

Disappeared AF

(n = 89)

Intermittent/permanent AF

(n = 131)

p-Value

Age [years]+

75 (68–79)

75 (70–78)

ns#

Gender [number (%)]

ns§

 male

61 (68.5)

90 (68.7)

 

 female

28 (31.5)

41 (31.3)

 

Weight at admission [kg]+

80 (70–93)

82 (72–97)

ns#

ICU length of stay [d]+

2.0 (1.0–3.9)

3.9 (2.7–6.9)

<0.001#

Duration of mechanical ventilation [h]+

6 (4–9)

7 (5–11)

<0.05#

Dialysis [number (%)]

4 (4.5)

8 (6.1)

ns$

Type of surgery [number (%)]

ns$

 CABG

35 (39.3)

54 (41.2)

 

 Valve

42 (47.2)

54 (41.2)

 

 CABG + valve

12 (13.5)

23 (17.6)

 

Ventricular arrhythmias [number (%)]

0 (0)

6 (4.6)

ns$

AV block III [number (%)]

17 (19.1)

14 (10.7)

ns§

Epinephrine administration [number (%)]

19 (21.3)

43 (32.8)

ns§

Dobutamine administration [number (%)]

17 (19.1)

22 (16.8)

ns§

Mortality [number (%)]

2 (2.2)

6 (4.6)

ns$

  1. Data are presented as absolute numbers and % (in brackets) or median together with the 1st and 3rd quartile (in brackets). P-values over the significance threshold of 0.05 are reported as not significant (ns)
  2. + Median (1st quartile - 3rd quartile); # Wilcoxon-Mann-Whitney test; § Chi-square test for independence $ Fisher’s exact test
  3. AV Atrio-ventricular; CABG Coronary artery bypass grafting; ICU Intensive care unit