Table 1.

 Clinical characteristics of patients with and without coronary artery disease (CAD)

	With CAD	Without CAD	p Value
Number of patients	324	96
Age (years)	69 (9)	69 (9)	NS
Male sex	216 (66%)	60 (63%)	NS
Hypertension	246 (75%)	60 (63%)	0.0034
Diabetes	94 (29%)	24 (25%)	NS
Congestive heart failure	42 (13%)	2 (2%)	0.0022
Current smoking	43 (13%)	11 (11%)	NS
Hypercholesterolaemia	225 (69%)	57 (59%)	0.049
Peripheral vascular disease	66 (20%)	5 (5%)	0.0005
Atrial fibrillation	45 (14%)	14 (15%)	NS
Neurological symptoms
Stroke	21 (6%)	14 (15%)	NS
Transitory attack	102 (31%)	27 (28%)	NS
Non-specific symptoms	57 (18%)	12 (13%)	NS
Asymptomatic	144 (45%)	43 (44%)	NS

Data are mean (SD) or number (%).

NS, not significant.