Table 1.
Baseline Characteristics of Subjects Randomized to Aspirin or Clopidogrel
| Aspirin N=116 | Clopidogrel N=113 | |
|---|---|---|
| Median age (years) (IQR) | 66 (60–71.5) | 66 (61–72) |
| Women | 29.3 | 19.5 |
| Median ICD (meter) (IQR) | 98 (69–145) | 89 (67–169) |
| Median ACD (meter) (IQR) | 160 (112–294) | 168 (111–341) |
| Median ABI (IQR) | 0.65 (0.56–0.82) | 0.73 (0.61–0.81) |
| Location of main arterial obstruction | ||
| Iliac | 13.3 | 21.6 |
| Femoro-popliteal | 80.5 | 70.7 |
| Distal | 5.3 | 6.9 |
| Tobacco abuse | ||
| Active smokers | 37.9 | 34.5 |
| Ex-smokers | 45.7 | 53.1 |
| Never smoked | 16.4 | 12.4 |
| Diabetes | 23.3 | 16.8 |
| Type 2 | 19.0 | 15.0 |
| Type 1 | 4.3 | 1.8 |
| Hypertension | 26.7 | 17.7 |
| Dyslipidemia | 71.6 | 73.5 |
| Median body mass index (IQR) | 26.8 (23.9–30.12) | 26.4 (24.4–28.4) |
| Chronic obstructive pulmonary disease | 6.0 | 5.3 |
| History of myocardial infarction | 12.9 | 12.4 |
| History of stroke | 4.3 | 12.4 |
| Previous peripheral revascularization (interventional/surgical) | 45.7 | 41.6 |
IQR, interquartile range; ICD, initial claudication distance; ACD, absolute claudication distance; ABI, ankle brachial index. Data are expressed as percentages unless otherwise stated.