Table 1.

Baseline characteristics

n	318
Age (years)	61 ± 11
Males, n (%)	213 (67)
Risk factors, n (%)
Hypertension	177 (56)
Dyslipidaemia	143 (45)
Diabetes	44 (14)
Smoking	92 (29)
Positive family history	87 (27)
Reason referral, n (%)
Pre-operative evaluation, equivocal/abnormal stress test	122 (38)
Non-anginal chest pain	58 (18)
Atypical angina	60 (20)
Typical angina	46 (14)
Dyspnoea	32 (10)
Pre-test likelihood of CAD, n (%)
Low	24 (10)
Intermediate	182 (73)
High	44 (17)
Known CAD, n (%)	68 (21)
Previous MI	19 (6)

CAD, coronary artery disease; MI, myocardial infarction.