Table 2.
Baseline Patient and Lesion Characteristics.a
| Patient characteristics (n=57) | |
|---|---|
| Age, y | 69.3±9.3 |
| Men | 47/57 (82) |
| Race/ethnicity | |
| Caucasian | 54 (95) |
| Asian | 1 (2) |
| Other | 2 (3) |
| Medical history | |
| Current diabetes mellitus | 20 (35) |
| Hyperlipidemia requiring medication | 36 (63) |
| Hypertension requiring medication | 42 (74) |
| Chronic obstructive pulmonary disease | 6 (10) |
| Coronary artery disease | 22 (39) |
| Myocardial infarction | 9 (16) |
| Congestive heart failure | 3 (5) |
| History of smoking | 50 (88) |
| Lesionsb (n=57) | |
| SFA segment | |
| Proximal | 1 (2) |
| Mid | 34 (60) |
| Distal | 44 (77) |
| PPA involvement | 5 (9) |
| Length, mm | 70.8±28.1 |
| Diameter stenosis, % | 86.3±16.2 |
| Reference vessel diameter, mm | 5.2±0.8 |
| TASC II classificationc | |
| A | 25 (44) |
| B | 26 (46) |
| C | 6 (10) |
| D | 0 (0) |
| Calcification | |
| None/mild | 12 (21) |
| Moderate | 8 (14) |
| Severe | 37 (65) |
| Total occlusion | 26 (46) |
| Ulcerated lesiond | 4 (7) |
| Vessels patent to foot | |
| 0 | 3 (5) |
| 1 | 16 (28) |
| 2 | 18 (32) |
| 3 | 13 (23) |
Abbreviations: PPA, proximal popliteal artery; SFA, superficial femoral artery; TASC, TransAtlantic Inter-Society Consensus.
a
Continuous data are presented as mean ± standard deviation; categorical data are shown as counts (percentages).
b
Values as determined by the angiographic core lab, unless otherwise indicated.
c
Site assessment.
d
Lesions had an appearance of ulceration on angiography.