Table 1

Clinical data

n (%)
Number of patients585
Age (years)
mean (SD)
median (range)

66 (11)
68 (21 to 90)
NYHA class
mean (SD)
median (range)

2.3 (1)
2 (1 to 4)
Ineffective AA drugs
mean (SD)
median (range)

3.5 (1.7)
3 (1 to 9)
Previous embolic events 26 (4)
No heart disease168 (29)
Hypertension85 (15)
Ischaemic heart disease 86 (15)
Dilated cardiomyopathy131 (22)
Valvar heart disease 82 (14)
Prosthetic valve33 (6)
Chronic AF277 (47)
Paroxysmal AF308 (53)
  • AA, antiarrhythmic; AF, atrial fibrillation; NYHA, New York Heart Association functional class.