Table I.
Baseline characteristics of participants with peripheral arterial disease according to baseline body mass index (n = 389)
| Variable | 20 < BMI < 25 (n = 107) | 25 ≤ BMI < 30 (n = 176) | BMI ≥ 30 (n = 106) | P trend |
|---|---|---|---|---|
| Age (y) | 74.2 (8.8) | 71.8 (8.4) | 69.3 (7.5) | <.001 |
| Person-years of follow-up | 2.64 (1.30) | 2.72 (1.35) | 2.88 (1.27) | .198 |
| % Male | 56.1 | 63.6 | 65.1 | .176 |
| % Black | 14.0 | 14.2 | 19.8 | .247 |
| Ankle-brachial index | 0.627 (0.14) | 0.654 (0.14) | 0.682 (0.15) | .006 |
| Weight (pounds) | 142.4 (21.5) | 168.5 (21.7) | 207.3 (31.4) | <.001 |
| Cigarette smoking (pack-y) | 36.7 (33.3) | 34.4 (30.6) | 43.7 (37.7) | .131 |
| Angina (%) | 30.8 | 37.5 | 39.6 | .183 |
| Myocardial infarction (%) | 26.2 | 27.3 | 32.1 | .340 |
| Congestive heart failure (%) | 23.4 | 25.6 | 34.0 | .083 |
| Stroke (%) | 13.1 | 11.4 | 9.4 | .402 |
| Diabetes (%) | 24.3 | 31.3 | 43.4 | .003 |
| Lower extremity arthritis (%) | 43.0 | 38.6 | 43.4 | .955 |
| Pulmonary disease (%) | 24.3 | 34.7 | 34.0 | .129 |
BMI, Body mass index.
Values are expressed as mean (standard deviation) unless otherwise indicated.