Table 2.
Lesion characteristics (n = 1332).
| R-4 group (n = 315) | R-5/6 group (n = 1017) | p Value | |
|---|---|---|---|
| TASC A/B/C/D, n | 14/7/26/266 | 18/10/65/909 | 0.0044 |
| Lesion length, mm (mean ± SD) | 177 ± 98 | 194 ± 97 | 0.0096 |
| Lesion distribution | |||
| ATA, n (%) | 300 (95) | 973 (96) | 0.9201 |
| PTA, n (%) | 296 (94) | 950 (93) | 0.7684 |
| PA, n (%) | 245 (78) | 750 (74) | 0.1504 |
| CTO, n (%) | 215 (68) | 712 (70) | 0.1776 |
| Below the ankle | |||
| Patent dorsal artery, n (%) | 232 (74) | 561 (55) | <0.0001 |
| Patent plantar artery, n (%) | 209 (67) | 523 (51) | <0.0001 |
| Number of patent arteries, n (mean ± SD) | 1.0 ± 0.8 | 0.8 ± 0.7 | 0.0001 |
R-4: Rutherford category IV; R-5/6: Rutherford category V and VI; TASC: TransAtlantic Inter-Society Consensus; SD: standard deviation; ATA: anterior tibial artery; PTA: posterior tibial artery; PA: peroneal artery; CTO: chronic total occlusion.