Document Classification

Section Type: RESULTS

Text: Clinical presentation, echocardiographic data, and follow-up were as follows : age (78. 5 + / -5 versus 78 + / -5 years), history of AF (27 % versus 21. 6 %) ; structural heart disease (58 % versus 65 %), left ventricular ejection fraction (56 + / -14 % versus 54. 5 + / -14 %), left atrial size (43 + / -7 versus 43 + / -6 mm), mean follow-up (13 + / -6 versus 13 + / -6 months ; P = NS), recurrence of AFL (3. 8 % versus 29. 5 % ; P < 0. 0001), and occurrence of significant AF beyond 10 minutes (25 % versus 18 % ; P = 0. 3).