Table 1.
Demographic and Lesion Characteristics
| Subject characteristics | N = 287 |
|---|---|
| Age (yrs.) | 67.7 ± 10.7 |
| Male | 66.2% (190/287) |
| Risk Factors | |
| Diabetes | 42.9% (123/287) |
| Hyperlipidemia | 86.1% (247/287) |
| Hypertension | 88.2% (253/287) |
| Renal Insufficiency | 9.8% (28/287) |
| Current smoker | 39.0% (112/287) |
| Myocardial Infarction | 20.9% (60/287) |
| Clinical Characteristics | |
| Rutherford Clinical Category | |
| 2 = Moderate claudication | 39.4% (113/287) |
| 3 = Severe claudication | 55.7% (160/287) |
| 4 = Ischemic rest pain | 4.5% (13/287) |
| 5 = Minor tissue loss | 0.3% (1/287) |
| ABI | 0.69 ± 0.19 (281a) |
| Mean ± SD (N) | |
| Lesion characteristics | |
| Preprocedure reference vessel diameter (mm) | 4.8 ± 0.9 (287) |
| Preprocedure minimum lumen diameter (mm) | 0.7 ± 0.8 (287) |
| Lesion Length (mm; 20‐to‐20 method) | 89.1 ± 44.8 (287) |
| Preprocedure diameter stenosis (%) | 85.8 ± 16.2 (287) |
| Total occlusion | 48.1% (138/287) |
| Calcification (moderate or severe) | 70.0% (201/287) |
a
ABI not available for six subjects due to noncompressible arteries.