Table 2 Limb and lesion characteristics
Patients | Overall (N = 61) | High-risk (N = 20) | Low-risk (N = 41) | P value |
|---|---|---|---|---|
Rutherford classification | ||||
5 | 42 (68.9) | 11 (55.0) | 31 (75.61) | 0.102 |
6 | 19 (31.1) | 9 (45.0) | 10 (24.4) | 0.102 |
Clinical stage in WIfI classification | ||||
1 (Very low risk) | 6 (9.8) | 0 (0) | 6 (14.6) | 0.024 |
2 (Low risk) | 10 (16.4) | 2 (10.0) | 8 (19.5) | 0.329 |
3 (Moderate risk) | 16 (26.2) | 1 (5.0) | 15 (36.6) | 0.004 |
4 (High risk) | 29 (47.6) | 17 (85.0) | 12 (29.3) | < 0.001 |
Ankle-brachial index | 0.62 ± 0.36 | 0.54 ± 0.36 | 0.66 ± 0.36 | 0.255 |
Skin perfusion pressure, mmHg | ||||
Dorsal | 33.5 ± 17.7 | 34.6 ± 20.8 | 33.1 ± 16.9 | 0.841 |
Plantar | 33.0 ± 14.9 | 30.2 ± 17.3 | 34.1 ± 14.1 | 0.545 |
Lesion distribution | ||||
Aorta-iliac | 4 (6.6) | 1 (5.0) | 3 (7.32) | 0.731 |
Femoropopliteal | 41 (67.2) | 14 (70.0) | 27 (65.9) | 0.745 |
Below-the-knee | 37 (60.7) | 12 (60.0) | 25 (61.0) | 0.942 |
Major amputation of contralateral lower limb | 6 (9.8) | 4 (20.0) | 2 (4.9) | 0.063 |
Use of LDL apheresis | 6 (9.8) | 4 (20.0) | 2 (4.9) | 0.063 |