Table 2.

Saphenous Vein Graft Lesion Characteristics According to Stent Type

Variable	Bare-Metal Stent (N=248)	Drug-Eluting Stent (N=256)	P value
Lesion previously treated with stent	16 (6.5%)	44 (17.2%)	0.0002
Reference vessel size (mm)	3.6	3.3	<.0001
Mean lesion length (mm)	13.2	18.5	<.0001
Lesion characteristics
Evidence of thrombus	51 (21.7%)	46 (18.1%)	0.32
Calcified	27 (11.3%)	26 (10.3%)	0.73
Ulcerated	31 (13.1%)	37 (14.7%)	0.60
Ostial lesion	28 (11.3%)	35 (13.7%)	0.43
Total occlusion	7 (2.8%)	14 (5.5%)	0.14
Lesion classification*			0.001
A	18 (7.7%)	11 (4.3%)
B1	73 (31.3%)	69 (27.0%)
B2	90 (38.6%)	78 (30.5%)
C	52 (22.3%)	98 (38.3%)

^*According to the American College of Cardiology and American Heart Association Classification