Table 1.
Clinical Characteristics Among Participants With PAD According to Leg Symptom Category
| Always Asymptomatic (n=72) | Sometimes Asymptomatic (n=32) | Pain on Exertion and Rest (n=102) | Pain/Carry on (n=44) | IC (n=215) | P | |
|---|---|---|---|---|---|---|
| Age, y | 77.4 (9.1) | 75.4 (7.2) | 74.8 (8.3) | 72.2 (8.6) | 74.9 (7.9) | 0.020 |
| Male, % | 63.89 | 56.25 | 34.31 | 61.36 | 56.74 | <0.001 |
| Black, % | 18.06 | 15.63 | 29.41 | 11.36 | 12.09 | 0.003 |
| ABI | 0.67 (0.16) | 0.68 (0.12) | 0.63 (0.15) | 0.66 (0.15) | 0.60 (0.16) | 0.001 |
| BMI, kg/m2 | 26.72 (4.25) | 28.02 (4.59) | 28.89 (5.63) | 27.80 (4.82) | 27.67 (5.13) | 0.093 |
| Diabetes mellitus, % | 26.39 | 31.25 | 36.27 | 27.27 | 34.42 | 0.591 |
| Angina pectoris, % | 25.35 | 21.88 | 49.00 | 32.56 | 33.96 | 0.007 |
| Myocardial infarction, % | 26.39 | 18.75 | 33.33 | 13.64 | 26.64 | 0.126 |
| Stroke, % | 18.06 | 6.25 | 29.41 | 13.64 | 22.79 | 0.033 |
| Heart failure, % | 27.78 | 37.50 | 32.35 | 22.73 | 31.16 | 0.653 |
| Pulmonary disease, % | 36.11 | 56.25 | 54.90 | 27.27 | 43.26 | 0.008 |
| Knee arthritis, % | 8.33 | 18.75 | 22.55 | 4.55 | 11.63 | 0.010 |
| Lumbar disk disease, % | 30.56 | 37.50 | 58.82 | 27.27 | 36.28 | <0.001 |
| Current cigarette smoker | 9.72 | 15.63 | 18.63 | 9.09 | 17.21 | 0.347 |
| History of lower extremity revascularization, % | 29.17 | 21.88 | 37.25 | 22.73 | 35.35 | 0.219 |
Values shown are mean (SD) when appropriate. n=465.