Table 3 Open in new tab Clinical...

Table 3

Clinical predictors of AF recurrences after the initial CA in the overall population

	Univariate P values	Multivariate P values	HR	95% CI
Patient age (/year)	0.75	0.10	0.99	0.98–1.00
Female gender	0.34	0.47	1.09	0.87–1.35
BMI	0.46	0.27	0.98	0.95–1.02
Duration of AF (/year)	<0.0001	0.0001	1.03	1.02–1.05
Structural heart disease	0.005	0.05	1.31	1.00–1.69
HD	<0.0001	0.0004	2.56	1.56–4.03
Failed AADs	0.0004	0.003	1.10	1.03–1.17
Congestive heart failure	0.15	0.29	0.74	0.41–1.29
Hypertension	0.66	0.20	0.74	0.47–1.18
Diabetes	0.015	0.47	1.20	0.74–1.98
Stroke	0.41	0.62	0.80	0.34–1.98
CHADS₂ score	0.14	0.39	1.20	0.78–1.77
Echocardiography
LAD (/10 mm increase)	0.0006	0.0007	1.43	1.16–1.76
LVD (/10 mm increase)	0.91	0.24	0.87	0.69–1.10
LVEF (per 10% increase)	0.84	0.41	1.06	0.92–1.22

	Univariate P values	Multivariate P values	HR	95% CI
Patient age (/year)	0.75	0.10	0.99	0.98–1.00
Female gender	0.34	0.47	1.09	0.87–1.35
BMI	0.46	0.27	0.98	0.95–1.02
Duration of AF (/year)	<0.0001	0.0001	1.03	1.02–1.05
Structural heart disease	0.005	0.05	1.31	1.00–1.69
HD	<0.0001	0.0004	2.56	1.56–4.03
Failed AADs	0.0004	0.003	1.10	1.03–1.17
Congestive heart failure	0.15	0.29	0.74	0.41–1.29
Hypertension	0.66	0.20	0.74	0.47–1.18
Diabetes	0.015	0.47	1.20	0.74–1.98
Stroke	0.41	0.62	0.80	0.34–1.98
CHADS₂ score	0.14	0.39	1.20	0.78–1.77
Echocardiography
LAD (/10 mm increase)	0.0006	0.0007	1.43	1.16–1.76
LVD (/10 mm increase)	0.91	0.24	0.87	0.69–1.10
LVEF (per 10% increase)	0.84	0.41	1.06	0.92–1.22

AADs, antiarrhythmic drugs; AF, atrial fibrillation; BMI, body mass index; CA, catheter ablation; CI, confidential interval; HD, haemodialysis; HR, hazard ratio; LAD, left atrial dimension at end-systole; LVD, left ventricular dimension at end-diastole; LVEF, left ventricular ejection fraction.

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