Table 3.
MR, ABI, and CTA of individual legs
| Legs of PAD (N = 34) | Legs of LSS (N = 28) | P | |
|---|---|---|---|
| MR images | |||
| Dural sac area(mm2) (range) | 146.7 ± 28.3 (102.3–188.2) | 125.5 ± 26.1 (100.89–160.49) | 0.003 |
| Foraminal stenosis | 0.429 | ||
| Normal | 18 (52.9) | 12 (42.9) | |
| Slight decreased | 16 (47.1) | 16 (57.1) | |
| ABI (range) | 0.73 ± 0.14 (0.53–0.94) | 0.92 ± 0.18 (0.52–1.10) | <0.001 |
| Angiography | |||
| Severity | |||
| Mild | 29 | – | |
| Moderate | 5 | – | |
| Severe | 0 | ||
| Location | |||
| Iliac | 3 | – | |
| Femoral/popliteal | 15 | – | |
| Below trifurcation | 16 | – | |
Unless otherwise noted, data are numbers of subjects and percentages in parentheses