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Table 3 Comparison of baseline demographics and clinical characteristics between patients with and without recurrence

From: Post Procedural Peak Left Atrial Contraction Strain Predicts Recurrence of Arrhythmia after Catheter Ablation of Atrial Fibrillation

 

Comparison

Univariate Cox Regression

 

No-Recurrence

(n = 76)

Recurrence

(n = 68)

p value

HR

95%Cl

P value

Demographic Data

Age, years

60 ± 11

61 ± 9

0.63

0.99

0.98–1.02

0.69

Men, n (%)

63 (83)

48(71)

0.06

1.12

0.66–1.90

0.67

Body mass index, kg/m2

30 ± 5

31 ± 6

0.04

1.04

1.00–1.08

0.05

Paroxysmal AF, (%)

48(63)

30(44)

0.02

0.62

0.38–1.00

0.05

AF duration, years

6.1 ± 6.0

6.2 ± 6.3

0.93

1.00

0.96–1.04

0.99

CHA2DS2-VASc

1.7 ± 1.5

2.0 ± 1.6

0.26

0.98

0.84–1.14

0.78

Comorbidity

Hypertension, n(%)

35(46)

39(57)

0.12

1.31

0.81–2.13

0.28

Diabetes, n(%)

7(9)

8(12)

0.41

1.05

0.46–2.07

0.90

Coronary artery disease, n(%)

10(13)

12(18)

0.30

1.52

0.77–2.75

0.21

Heart failure, n(%)

9(12)

10(15)

0.40

1.01

0.48–1.88

0.98

Stroke/TIA, n(%)

9(12)

7(10)

0.49

0.68

0.28–1.40

0.32

Medication

AAD Class I or III, n (%)

37(59)

33(49)

0.56

1.03

0.64–1.66

0.91

β-blocker or CCB, n(%)

50(66)

45(66)

0.55

1.43

0.87–2.41

0.16

Essential Echo parameters

LAVI, mL/m2

39 ± 10

40 ± 11

0.41

1.00

0.98–1.03

0.55

LVEDD, mm

51 ± 5

50 ± 5

0.75

1.01

0.96–1.07

0.61

LVESD, mm

33 ± 5

33 ± 5

0.69

1.00

0.95–1.05

0.96

LVEF, %

61 ± 8

61 ± 7

0.91

1.00

0.98–1.04

0.63

E/A ratio

1.21 ± 0.52

1.53 ± 0.75

0.03

1.39

0.91–2.05

0.13

RVSP, mmHg

29 ± 5

29 ± 6

0.66

1.03

0.98–1.08

0.27

  1. Values are mean ± SD or number (%)
  2. CI confidence interval, HR hazard ratio; other abbreviations as in Table 1