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Table 1 Baseline characteristics of study patients

From: Clinical outcomes in patients with persistent atrial fibrillation after technologic advances including contact force-guided and ablation index-guided ablation

 

Total

(n = 173)

no-CF group

(n = 63)

CF-only group

(n = 49)

AI group

(n = 61)

P-value

Age (years)

57.8 ± 8.8

55.6 ± 8.6

59.0 ± 9.0

59.2 ± 8.6

0.037

Male

134 (77.5%)

53 (84.1%)

38 (77.6%)

43 (70.5%)

0.192

BMI (kg/m2)

25.1 ± 3.0

25.1 ± 2.9

25.5 ± 3.6

24.8 ± 2.6

0.470

Medical history

 Hypertension

97 (56.1%)

32 (50.8%)

33 (67.3%)

32 (52.5%)

0.168

 Diabetes

45 (26.0%)

18 (28.6%)

10 (20.4%)

17 (27.9%)

0.570

 Dyslipidemia

41 (23.7%)

13 (20.6%)

8 (16.3%)

20 (32.8%)

0.101

 CAD

5 (2.9%)

4 (6.3%)

0 (0%)

1 (1.6%)

0.106

Heart failure

23 (13.3%)

12 (19.0%)

5 (10.2%)

6 (9.8%)

0.241

 Stroke/SE

24 (13.9%)

8 (12.7%)

11 (22.4%)

5 (8.2%)

0.094

Duration of AF (years)

4.7 ± 5.1

4.6 ± 4.5

4.3 ± 3.8

5.1 ± 6.5

0.732

CHA2DS2-VASc score

1.7 ± 1.3

1.7 ± 1.4

1.9 ± 1.3

1.6 ± 1.2

0.355

Baseline AAD history

    

0.018

 None

12 (6.9%)

3 (4.8%)

3 (6.1%)

6 (9.8%)

 

 Class Ic

82 (47.4%)

21 (33.3%)

30 (61.2%)

31 (50.8%)

 

 Class III

79 (45.7%)

39 (61.9%)

16 (32.7%)

24 (39.3%)

 

LVEF (%)

57.7 ± 5.4

57.9 ± 5.5

57.9 ± 5.1

57.4 ± 5.6

0.817

 LA (mm)

45.9 ± 6.5

46.4 ± 7.3

45.5 ± 4.8

45.6 ± 6.8

0.719

 LA ≥ 50 mm (%)

50 (28.9%)

23 (36.5%)

8 (16.3%)

19 (31.1%)

0.058

  1. BMI, body mass index; CAD, coronary artery disease; SE, systemic embolism; AF, atrial fibrillation; AAD, antiarrhythmic drug; TIA, transient ischemic attack; LVEF, left ventricular ejection fraction; LA, left atrial anteroposterior diameter