Short-term and long-term success of electrical cardioversion in atrial fibrillation in managed care system

Table 1 Characteristics of patients who underwent electrical cardioversion for atrial fibrillation

Total number of patients	370
Age of patients (mean ± SD years)	67 +/- 12
≤ 65 years	137
>65 years	233
Men/Women	239/131
Underlying coexisting diseases (number of patients)
Coronary artery disease	150
Congestive heart failure	116
Mitral stenosis	16
Mitral regurgitation	92
Paroxysmal atrial fibrillation	196
Hypertension	185
Cardiomyopathy	75
Diabetes mellitus	46
Chronic obstructive pulmonary disease	51
Alcoholism	105
Smoking	96
Lone atrial fibrillation	27
Duration of atrial fibrillation
0-3 days	91
4 days-3 months	105
>3 months	174
Left atrial size (157 patients)
≤ 4.2 cm	72
>4.2 cm	85
Left Ventricular Ejection Fraction
Normal	129
Reduced	40