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Table 1 Baseline demographics, clinical characteristics, and echocardiographic values

From: Safety and long-term efficacy of thoracoscopic Epicardial ablation in patients with paroxysmal atrial fibrillation: a retrospective study

 

All (n = 55)

No recurrence (n = 36)

Recurrence (n = 19)

P-value

HR

95% CI

Demographics

 Age

61.6 +/−  10.7

60.0 +/−  11.6

64.9 +/11.6

0.104

1.02

0.99–1.07

 Males

44 (80.0%)

26 (72.2%)

18 (94.7%)

0.722

0.82

0.27–2.48

 Duration in AF (years)

3.6 +/− 3.4

3.5 +/−  3.5

3.4 +/−  3.0

0.513

1.35

0.84–1.53

 CHA2DS2-VASc Score

2.0 +/− 1.6

1.9 +/− 1.5

2.2 +/−  1.7

0.89

0.98

0.73–1.3

 Comorbidities

  Hypertension

32 (58.2%)

17 (47.2%)

15 (78.9%)

0.187

1.69

0.64–4.46

  Hyperlipidemia

26 (47.3%)

13 (36.1%)

13 (68.4%)

0.686

1.2

0.49–2.97

  Obstructive sleep apnea

5 (9.1%)

2 (5.6%)

3 (15.8%)

0.035

3.34

1.09–10.28

  Coronary artery disease

7 (12.7%)

3 (8.3%)

4 (21.1%)

0.745

0.81

0.24–2.81

  Cerebrovascular disease

0

0

0

   

  Diabetes mellitus

6 (10.9%)

4 (11.1%)

2 (10.6%)

0.981

1.02

0.23–4.42

Echocardiographic values

 Ejection Fraction (%)

61.8 +/− 5.6

61.0 +/− 6.2

62.2 +/− 4.3

0.506

1.03

0.94–1.19

 Mitral regurgitation

    

4.01

0.93–20.57

 Mild

35 (63.6%)

17 (47.2%)

17 (89.5%)

0.056

  

 Moderate or severe

0

0

0

   

 Tricuspid regurgitation

    

1.81

0.51–6.46

 Mild

30 (54.5%)

18 (50.0%)

12 (63.3%)

0.99

  

 Moderate

1 (1.8%)

0

1 (5.3%)

0.57

  

 RA dilation

    

1.52

0.48–4.83

 Mild

10 (18.2%)

5 (9.1%)

5 (26.3%)

0.484

  

 Moderate

2 (3.6%)

0

2 (10.5%)

0.180

  

 LA diameter (cm)

4.0 +/− 0.6

3.9 +/− 0.6

4.0 +/− 0.5

0.296

1.74

0.79–5.01

 LA volume index (cm/m2)

29.3 +/− 8.0

27.4 +/− 5.8

31.1 +/− 9.4

0.374

1.56

0.42–5.93