Table 4.
Treadmill and peripheral hemodynamic measurements of female PAD patients according to HDL-C status. Data are summarized as the median (25th–75th percentile) or count (%).
| HDL-C < 50 mg/dL (n=43) | HDL-C ≥ 50 mg/dL (n=26) | p- value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Median | P25 | P75 | n | Median | P25 | P75 | ||
| ICD, m | 43 | 108.4 | 61.8 | 177.4 | 25 | 125.4 | 71.7 | 250.9 | 0.23 |
| ACD, m | 43 | 229.4 | 109.8 | 330.6 | 26 | 318.5 | 125.4 | 688.1 | 0.11 |
| Peak oxygen uptake, mL · kg−1min−1 | 43 | 10.3 | 7.2 | 12.7 | 26 | 11.7 | 10.0 | 13.7 | 0.021 |
| StO2 while standing, % | 34 | 47.5 | 34.0 | 66.0 | 18 | 49.0 | 34.0 | 56.0 | 0.69 |
| StO2 at 1 min of exercise, % | 34 | 18.0 | 1.0 | 41.0 | 17 | 19.0 | 2.0 | 30.0 | 0.66 |
| StO2 at 2 minutes of exercise, % | 31 | 23.0 | 2.0 | 39.0 | 17 | 17.0 | 1.0 | 31.0 | 0.37 |
| StO2 at ICD, % | 34 | 22.5 | 1.0 | 41.0 | 17 | 18.0 | 1.0 | 34.0 | 0.59 |
| StO2 at ACD, % | 34 | 19.5 | 1.0 | 41.0 | 17 | 20.0 | 4.0 | 31.0 | 0.73 |
| Ischemic window, mmHg x min | 43 | 120.8 | 59.5 | 194.3 | 26 | 110.7 | 45.5 | 210.0 | 0.61 |
| Calf blood flow: rest, %/min | 41 | 2.6 | 2.0 | 3.3 | 23 | 3.1 | 2.4 | 3.9 | 0.27 |
| Calf blood flow: maximal, %/min | 41 | 8.8 | 6.5 | 11.8 | 22 | 9.5 | 8.2 | 13.1 | 0.21 |
ICD, initial claudication distance; ACD, absolute claudication distance; StO2, hemoglobin oxygen saturation of the calf musculature