Table III.

Angiographic and Procedural Characteristics for Small Diameter Coronary Artery Stenting with BMS vs. DES

	BMS (N=765)	DES (N=775)	P Value
Patient Level
Revascularization Reason
Stable Angina Pectoris	21.3%	21.5%	0.92
Unstable Angina Pectoris	45.0%	35.0%	0.0002
Myocardial Infarction	22.3%	25.1%	0.23
Thrombolytic therapy	4.2%	1.8%	0.009
Circumstances of Procedure			0.10
Elective	53.4%	59..0%
Urgent	37.5%	32.9%
Emergent	9.2%	8.1%
Mean left ventricular ejection fraction	53.8%	53.5%	0.58
Mean Significant lesions	2.7	3.0	0.002
Any total occlusion	30.9%	36.9%	0.02
Medications used <24hrs, prior to, or during procedure
Thienopyridine	54.8%	87.4%	<0.001
IIb/IIIa Receptor Antagonists	41.4%	30.0%	< 0.001
Mean number of lesions attempted	1.1	1.2	0.04
Vessel Disease			0.02
1	42.8%	37.8%
2	32.9%	30.5%
3	24.1%	31.4%
Angiographic Success	99.6%	99.6%	0.97
	BMS (N=765)	DES (N=775)	P Value
Lesion Level
Mean reference vessel size (mm)	2.7	2.6	<0.0001
Mean lesion length (mm)	13.1	16.7	<0.0001
Mean stent length (mm)	19.6	23.5	<0.001
Lesion location			0.046
Left main	0.3%	0.3%
Left anterior descending	41.5%	40.1%
Left circumflex	24.5%	30.8%
Right coronary	29.2%	25.8%
Graft	4.5%	3.0%
Total occlusion	10.7%	10.7%	0.99
Mean diameter % stenosis	83.4	84.5	0.83
Evidence of thrombus	16.5%	10.5%	0.001
Calcified	24.5%	28.3%	0.10
Bifurcation	12.5%	10.2%	0.17
Ostial lesion	4.7%	65.9%	0.29
Lesion tortuosity			0.08
None/Mild	77.0%	73.1%
Moderate/Severe	23.0%	26.9%
American College of Cardiology/Association Heart Association Lesion Class			0.054
B1	33.7%	34.2%
B2	35.5%	31.5%
C	16.6%	21.6%
Overall Stent Use	100%	100%
Rotational Atherectomy	2.9%	0.9%	0.004