Table 1

Demography and risk factor profile of 344 patients with atrial fibrillation

Mean (SD) age (years) 68.4 (17.2)
Age range (years)44–90
Male:female146:198
Risk factors
 No risk factors123 (36%)
 Hypertension19 148 (43%)
 Previous stroke64 (19%)
 Symptomatic ischaemic heart disease107 (31%)
 Diabetes mellitus48 (14%)
 Hypercholesterolaemia20 21 (6%)
 Smoking (current)62 (18%)
 Smoking (former)86 (25%)
 Alcohol > 14 units/week17 (5%)