Table 2

Univariate and Multivariate Analysis of Predictors for Atrial Fibrillation Recurrence After the Second Session of Pulmonary Vein Isolation

Univariate AnalysisMultivariate Analysis
HRp ValueHRp Value
Age (yrs)1.018 (0.982–1.054)0.331
Hypertension0.588 (0.254–1.362)0.215
Body mass index (kg/m2)1.018 (0.920–1.127)0.725
AF history (months)1.005 (1.000–1.009)0.0341.002 (0.998–1.007)0.290
PV reconnection4.027 (0.948–17.095)0.059
NPVF in the first session1.362 (0.407–4.550)0.616
New-NPVF3.325 (1.517–7.289)0.0032.533 (1.114–5.758)0.027
LA volume (ml)1.008 (0.998–1.017)0.128
AF recurrence after the first session3.577 (1.620–7.900)0.0022.920 (1.301–6.553)0.009
Persistent AF0.989 (0.371–2.636)0.983

Newly developed NPVF (new-NPVF) were defined as NPVF that were not present in the first session of PV isolation.

HR = hazard ratio; other abbreviations as in Table 1.