Table 2

Patient characteristics (n = 1015 patients)

	n	%
Mean age (years) (SD)	60 (10.9)
Range	25–84
Men	745	73
Previous myocardial infarction	516	51
Previous coronary angioplasty	263	26
Previous coronary bypass surgery	57	6

Risk factors
Family history of coronary artery disease	437	43
Hypercholesterolaemia	570	56
Smoking	422	42
Diabetes	130	13
Hypertension	418	41
Single vessel disease	558	55
Multivessel disease	457	45
Single lesion angioplasty	628	70
Multilesion angioplasty	270	30
Multivessel angioplasty	117	12

1510 Lesions (1.5/procedure)
Left anterior descending coronary artery	714	47
Right coronary artery	442	29
Circumflex coronary artery	329	22
Left main	1	0.1
Saphenous vein graft	24	2
De novo lesions	1336	89
Restenotic lesions	174	11

ACC/AHA classification
Type A	40	3
Type B1	519	34
Type B2	601	40
Type C	350	23
Eccentric	1287	85
Proximal tortuosity:
Moderate	629	42
Severe	174	12
Angulation:
> 45°	416	28
> 60°	34	3
Calcification	393	26
Thrombus	68	5
Ostial location	172	11
Side branch involvement	430	29
Bifurcation lesion	156	10
Coronary occlusion:
Total	251	17
Functional	95	6
Balloon angioplasty	798	79
Stent implantation	194^2-150	19
Directional atherectomy	24^2-150	2
Rotational atherectomy	3	0.3

↵2-150 Including four directional atherectomy procedures followed by stent implantation.
ACC/AHA, American College of Cardiology/American Heart Association.