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Table 3 Factors associated with pacemaker implantation after ablation

From: Long-term clinical outcomes of catheter ablation in patients with atrial fibrillation predisposing to tachycardia-bradycardia syndrome: a long pause predicts implantation of a permanent pacemaker

Factors HR (univariate analysis) P value HR (multivariate analysis) P value
Age, years 1.014 (0.954-1.078) 0.657   
Female sex 0.488 (0.142-1.676) 0.254   
Longest pause, seconds 1.287 (1.101-1.506) 0.002 1.576 (1.060-1.343) 0.025
Time of AF symptom onset, months 0.978 (0.933-1.025) 0.357   
AAD after ablation 1.459 (0.308-6.904) 0.634   
LVEF, % 1.024 (0.952-1.102) 0.525   
LA diameter, mm 1.086 (0.990-1.191) 0.080 1.230 (0.860-1.757) 0.257
Trigger (vs. no-trigger) 0.753 (0.217-2.614) 0.655   
  1. Values are expressed as hazard ratios (HRs) with CI 95%. AAD anti-arrhythmic drug, LVEF left ventricular ejection fraction, LA left atrium