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Table 2 Procedural data of AF ablation in both study groups

From: Clinical outcomes of catheter ablation of paroxysmal atrial fibrillation in very young population compared to older population: a prospective study

Procedural data Young group Old group P value
Fluroscopy time (minutes) 49.5 ± 28.7 49.8 ± 30.6 0.98
Procedural time (minutes) 159.9 ± 33.1 170.9 ± 30.1 0.152
PV anatomy 0.8
 Four separate PV ostia 23 (76.7%) 37 (80.4%)
 Common LPV ostium 6 (20%) 8 (17.4%)
 Common RPV ostium 1 (3.3%) 1 (2.2%)
Voltage map data 0.02
 Presence of LA scar 0 10 (21.7%)
 Total scar size (% of total atrial mass)   10.2 (5–20) %
PVI attempted 30 (100%) 46 (100%)  
PVPs 0.946
 Eliminated 22 (73.3%) 33 (71.7%)
 Dissociated 8 (26.6%) 13 (28.3%)
Exit block 30 (100%) 46 (100%)  
  1. PV pulmonary veins, LPV left pulmonary veins, RPV right pulmonary veins, LA left atrium, PVI pulmonary vein isolation, PVPs pulmonary vein potentials