Table 2

Predictors of unsuccessful external cardioversion   

Unsuccessful cardioversion (n = 20)Successful
cardioversion (n = 281)
p Value
Male14 (70%)169 (60%)NS
Age (years)64 (10)62 (12)NS
Body weight (kg)75 (14)76 (15)NS
Aetiology
 No heart disease4 (20%)67 (24%)NS
 Systemic hypertension6 (30%)75 (27%)NS
 Other 10 (50%)139 (49%)NS
AF duration (days)193 (229)80 (109)0.0001
Previous AF episodes13 (65%)137 (49%)NS
Atrial diameter (mm)43 (7)45 (6)NS
LVEF (%)50 (13)52 (12)NS
Antiarrhythmic drug treatment13 (65%)183 (65%)NS
  • Values expressed as mean (SEM) or n (%).

  • AF, atrial fibrillation; LVEF, left ventricular ejection fraction.