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Table 2 Baseline characteristics

From: Validation of seven risk scores in an independent cohort: the challenge of predicting recurrence after atrial fibrillation ablation

 

Baseline population (n = 883)

Arrhythmia recurrence after 1 year

p-value

No (n = 541)

Yes (n = 342)

Age (years), mean ± SD

65.7 ± 11.5

65.1 ± 11.8

66.8 ± 10.9

0.029

Male gender, n (%)

557 (63.1)

353 (65.2)

204 (59.6)

0.093

Number of prior AF ablations, mean ± SD

0.41 ± 0.81

0.37 ± 0.81

0.48 ± 0.79

0.046

Patients with paroxysmal atrial fibrillation, n (%)

449 (50.8)

295 (54.5)

154 (45.0)

0.007

Prior cardioversions, mean ± SD

1.41 ± 1.77

1.20 ± 1.60

1.74 ± 1.96

< 0.001

Diabetes, n (%)

93 (10.5)

53 (9.8)

40 (11.7)

0.361

Prior stroke/transient ischemic attack, n (%)

71 (8.0)

43 (7.9)

28 (8.2)

0.899

Vascular disease history, n (%)

167 (18.9)

100 (18.5)

67 (19.6)

0.869

Arterial hypertension, n (%)

599 (67.8)

364 (67.3)

235 (68.7)

0.745

Chronic heart failure history, n (%)

109 (12.3)

76 (14.0)

33 (9.6)

0.147

Glomerular filtration rate (mL/min), mean ± SD

70.6 ± 21.8

71.6 ± 21.5

69.1 ± 22.1

0.108

BMI (kg/m2), mean ± SD

27.5 ± 4.5

27.5 ± 4.5

27.6 ± 4.7

0.621

Group Ic and group III antiarrhythmic medication use, n (%)

268 (30.4)

165 (30.5)

103 (30.1)

0.235

Beta-blocker use, n (%)

697 (78.9)

419 (77.4)

278 (81.3)

0.173

LA diameter, mm, mean ± SD

40.9 ± 6.4

40.3 ± 5.8

41.9 ± 7.2

0.005