Table 4.

Ulcer formation and patient, disease and procedural characteristics

	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

* not significant