Table 1.

Baseline characteristics

Men/women	41 (62)/25 (38)
Age (years) (mean (SD))	63 (13)
Diabetes mellitus	2 (3)
Hypercholesterolaemia	20 (30)
Smoking	8 (12)
History
Myocardial infarction	19 (29)
Coronary angioplasty	3 (5)
Coronary bypass surgery	10 (15)
Medical treatment
β Blockers	20 (30)
Calcium channel blockers	10 (15)
Nitrates	8 (12)
ACE inhibitors	13 (20)
Diuretics	8 (12)
Digoxin	5 (8)
Aspirin	26 (39)
Cholesterol lowering drugs	20 (30)

Data are n (%) unless stated otherwise.

ACE, angiotensin converting enzyme.