Endovascular Technique | Total Limbs (n = 143) | 70% or more re-stenosis or occlusion (n = 29) | Free of 70% re-stenosis or occlusion (n = 114) | p | Relative Risk (95% confidence interval) |
Total PTA without stenting | n = 19 (13%) | n = 7 (24%) | n = 12 (11%) | 0.0677 | 2.077 (1.031 - 4.183) |
PTA/SFA | n = 5 (4%) | n = 2 (7%) | n = 3 (3%) | 0.2670 | 2.044 (0.6632 - 6.303) |
PTA/Popliteal | n = 14 (10%) | n = 8 (27%) | n = 6 (5%) | 0.0815 | 3.510 (1.928 - 6.391) |
1 Stent | n = 67 (47%) | n = 14 (48%) | n = 53 (46%) | 1,000 | 1.059 (0.5526 - 2.028) |
2 Stents | n = 50 (35%) | n = 11 (37%) | n = 39 (34%) | 0.8277 | 1.137 (0.5835 - 2.214) |
3 Stents | n = 7 (5%) | n = 5 (17%) | n = 14 (12%) | 0.0039 | 4.048 (2.237 - 7.323) |
Stents length > 6 cm | n = 38 (27%) | n = 16 (55%) | n = 22 (19%) | 0.0003 | 3.401 (1.810 - 6.392) |
Associated BTK Angioplasties | n = 28 (19%) | n = 9 (31%) | n = 19 (16%) | 0.1135 | 1.848 (0.9460 - 3.611) |
Associated Ostial SFA + PF endarterectomies | n = 124 (86%) | n = 23 (79%) | n = 101 (88%) | 0.2208 | 0.5874 |