Table 2.
Lesion and interventional procedure characteristics.
| Factors | All limbs | Group A (2-year death) |
Group B (2-year survival) |
P value |
| Limbs, n | 232 | 81 | 151 | N/Aa |
| Claudication, n (%) | 40 (17) | 3 (4) | 37 (25) | .001 |
| Resting pain, n (%) | 51 (22) | 19 (23) | 32 (21) | N/A |
| Unhealing ulcer, n (%) | 109 (47) | 44 (54) | 65 (43) | N/A |
| Gangrene, n (%) | 32 (14) | 15 (19) | 17 (11) | N/A |
| ABIb of affected limbs, mean (SD) | 0.54 (0.33) | 0.51 (0.37) | 0.55 (0.31) | .40 |
| ABI of affected limbs excluding ≥1.4, mean (SD) | 0.45 (0.19) | 0.41 (0.18) | 0.47 (0.19) | .02 |
| Iliac lesions, n (%) | 30 (13) | 9 (11) | 21 (14) | .98 |
| Femoropopliteal lesions , n (%) | 167 (72) | 61 (75) | 106 (70) | .35 |
| Below-the-knee lesions, n (%) | 170 (73) | 61 (75) | 109 (73) | .63 |
| Poor runoff, n (%) | 192 (84) | 67 (85) | 125 (83) | .77 |
| Stenting, n (%) | 112 (48) | 37 (46) | 75 (50) | .53 |
| Lesion score, mean (SD) | 3.18 (0.98) | 3.30 (0.97) | 3.11 (0.98) | .16 |
aN/A: not applicable.
bABI: ankle-brachial index.