Model 1 (event n = 15) Model 1 (event n = 15) Model 2 (event n = 17) Model 2 (event n = 17)
HR (95% CI) p value HR (95% CI) p value
Slit-based irrigation catheter 0.073 (0.010 – 0.560) 0.012 0.071 (0.009 – 0.541) 0.011
Age (year) 1.019 (0.963 – 1.080) 0.512 1.041 (0.989 – 1.096) 0.125
Sex 1.101 (0.294 – 4.125) 0.886 1.398 (0.388 – 5.030) 0.608
Heart failure 0.575 (0.070 – 4.724) 0.606 0.657 (0.085 – 5.070) 0.687
Hypertension 0.659 (0.209 – 2.079) 0.477 0.738 (0.258 – 2.110) 0.570
Diabetes mellitus 0.643 (0.082 – 5.051) 0.674 0.535 (0.069 – 4.131) 0.549
Previous ischemic stroke/TIA 1.729 (0.467 – 6.404) 0.412 1.513 (0.415 – 5.519) 0.530
Vascular disease 0.569 (0.072 – 4.500) 0.593 0.468 (0.060 – 3.653) 0.469
Non-paroxysmal AF 1.778 (0.483 – 6.547) 0.387 2.103 (0.718 – 6.161) 0.175
Left atrial diameter (mm) 1.045 (0.949 – 1.150) 0.370 Not included Not included
Flow velocity of Left atrial appendage (cm/sec) 0.991 (0.961 – 1.022) 0.569 Not included Not included
Pre-RFCA anticoagulation 5.086 (0.615 – 42.059) 0.131 2.334 (0.603 – 9.043) 0.220