Table 1 Baseline characteristics between recurrence and non-recurrence groups

Age, years

57.0 ± 10.9

56.6 ± 10.1

Female, n (%)

31 (29.8)

49 (24.3)

History of AF, years

3.0 ± 1.5

2.6 ± 2.3

Persistent AF, n (%)

48 (46.2)

72 (35.6)

Hypertension, n (%)

46 (44.2)

83 (41.1)

Diabetes mellitus, n (%)

6 (5.8)

23 (11.4)

Coronary heart disease, n (%)

9 (8.7)

22(10.9)

Ischaemic stroke, n (%)

8 (7.7)

12(5.9)

CHADS₂ score

0.8 ± 1.0

0.8 ± 0.9

CHA₂DS₂-VASc score

1.3 ± 1.2

1.2 ± 1.2

R₂CHADS₂ score

1.6 ± 1.4

1.4 ± 1.3

Produce time, h

2.5 ± 1.5

2.3 ± 1.3

Exposure time, s

61.6 ± 29.3

63.3 ± 27.9

Ablation time, min

53.8 ± 17.4

55.6 ± 19.9

LAD, mm

41.6 ± 5.0

39.39 ± 3.4

LAV, ml

58.6 ± 17.7

50.5 ± 11.6

LAVI, ml/m²

33.7 ± 9.7

27.1 ± 6.5

LVEF, %

57.2 ± 5.7

59.9 ± 4.8

eGFR, ml/min/1.73²

53.5 ± 14.4

65.5 ± 13.3

CCr, ml/min

85.2 ± 26.1

101.5 ± 29.4