Table 1 Baseline data of the overall study cohort and with 1-y-FU (divided in patients with and without AF recurrence during 1-y-FU).

From: Predictors of Atrial Fibrillation Recurrence after Catheter Ablation: Data from the German Ablation Registry

Patients’ baseline characteristics

 

All patients

AF recurrence

No AF recurrence

p-value

OR (95%-CI)

Number of patients

3679

1687 (45.9%)

1992 (54.1%)

  

Male

66.9%

64.0%

69.3%

<0.001

0.79 (0.69–0.90)

Female

33.1%

36.0%

30.7%

<0.001

1.27 (1.11–1.46)

Age (MW)

60.8 ± 10.1

61 ± 9.9

60.4 ± 10.7

0.23

 

Comorbidities

 Diabetes mellitus

7.9%

8.1%

7.8%

0.80

1.03 (0.81–1.31)

 Renal insufficiency*

2.8%

4.4%

1.4%

0.027

3.35 (1.08–10.41)

 Hypertension*

61.5%

62.4%

60.7%

0.67

1.07 (0.77–1.50)

 History of stroke*

4.8%

4.7%

4.8%

0.99

1.00 (0.47–2.13)

 CHD

16.9%

15.9%

17.8%

0.13

0.87 (0.74–1.04)

 History of myocardial infarction

3.0%

3.3%

2.8%

0.37

1.19 (0.81–1.73)

 Valvular disease

8.2%

9.2%

7.3%

0.035

1.29 (1.02–1.63)

 Cardiomyopathy (CM)

3.4%

3.6%

3.3%

0.69

1.08 (0.75–1.54)

 - Dilative CM

73.1%

70.0%

75.8%

0.47

0.75 (0.34–1.64)

 - Hypertrophic CM

26.9%

30.0%

24.2%

0.47

1.34 (0.61–2.95)

LV-Function

 LV-Fx: severely impaired (<=40%)

5.0%

4.7%

5.3%

0.53

0.84 (0.60–1.18)

 NYHA 2**

34.4%

40.0%

29.6%

0.011

1.58 (1.36–1.84)

AF History

 Paroxysmal (PAF)

65.9%

64.1%

67.4%

0.034

0.86 (0.75–0.99)

 Persistent (PersAF)

26.6%

26.9%

26.4%

0.75

1.02 (0.88–1.19)

 Long standing persistent

7.5%

9.0%

6.2%

0.001

1.51 (1.18–1.93)

  1. Showing significant differences in sex, AF duration and comorbidities.
  2. Displayed: Percentage and number of pts or MV with SD; p-value: Chi² test or Mann-Whitney-Wilcoxon test.
  3. CI: Confidence-interval, OR: Odds Ratio.
  4. *Information obtained since October 2008; **Reported for patients with organic heart disease.