Table 1

Clinical Features of Participants Based on Pattern of Atrial Fibrillationlegend

Intermittent AF (n = 460)Sustained AF (n = 1,552)p Value
Age (yrs), mean ± SD66 ± 1170 ± 9< 0.001
Women, %3726< 0.001
Alcohol use (≥14 drinks/week), %690.02
Hypertension, %4954n.s.
Diabetes mellitus, %1316n.s.
Duration of AF <1 year, %3722< 0.001
History of heart failure, %1121< 0.001
Carotid surgery or bruit, %45n.s.
Peripheral arterial disease, %470.009
Prior stroke or TIA, %78n.s.
Prior myocardial infarct, %710n.s.
Moderate-severe LV dysfunction, %410< 0.001
  • legend AF = atrial fibrillation; LV = left ventricular, qualitatively assessed by two-dimensional precordial echocardiography; n.s. = not significant (p ≥ 0.05); TIA = transient ischemic attack.