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Table 4 Ulcer formation and patient, disease and procedural characteristics

From: Limiting esophageal temperature in radiofrequency ablation of left atrial tachyarrhythmias results in low incidence of thermal esophageal lesions

  Ulcer No ulcer p
Number of patients (%) 3 (1.6%) 181 (98.4%)  
Male (n) 2 138 0,56*
Age (years) 59 ± 1.4 58.1 ± 12 0,54*
Paroxysmal atrial fibrillation (n) 3 127 0,52*
Persistent atrial fibrillation (n) 0 43  
Macro-reentrant tachycardia (n) 0 12  
Index procedure (n) 3 120 0,29*
Redo procedure (n) 0 81  
Mean maximal esophageal temperature (°C) 41.6 ± 1.5 40.8 ± 1.8 0.42*
Ostial course of the esophagus (n) 2 123 0.69*
Non ostial course of the esophagus (n) 1 58  
  1. * not significant