Variable Univariable Analysis Univariable Analysis Multivariable Analysis Multivariable Analysis
P-Value Subdistribution Hazard Ratio (95% CI) P-Value Subdistribution Hazard Ratio (95% CI)
Age (years) 0.195 1.03 (0.99, 1.07)
Male Sex 0.517 0.80 (0.40, 1.58)
BMI (kg/m2) 0.890 1.00 (0.97, 1.03)
Hyperlipidemia 0.551 1.23 (0.62, 2.44)
Hypertension 0.610 1.20 (0.60, 2.37)
NYHA Class III/IV 0.870 0.95 (0.48, 1.87)
LVEF (%) 0.873 1.00 (0.98, 1.02)
CHF 0.294 1.44 (0.73, 2.82)
Ever Smoker 0.370 1.36 (0.69, 2.68)
Preoperative Creatinine 0.211 2.49 (0.60, 10.40)
Length of Time in AF (years) 0.003 1.99 (1.27, 3.12) 0.011 1.92 (1.16, 3.17)
LA Size (cm) 0.079 1.37 (0.96, 1.94) 0.116 1.32 (0.93, 1.85)
Number of Prior Catheter Ablations 0.325 1.13 (0.88, 1.45)
CPB Time (hours) 0.040 1.71 (1.02, 2.86) 0.072 1.56 (0.96, 2.53)
AtriCure energy device 0.828 0.93 (0.46, 1.86)
Sternotomy 0.201 0.64 (0.32, 1.27)
Postoperative ATAs* 0.034 2.04 (1.05, 3.94) 0.033 2.06 (1.06, 4.00)