Table 6. Cox regression analysis of factors associated with limb salvage.
| Variable | Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|---|
| B | HR | 95%CI | p-value | B | HR | 95%CI | p-value | |
| Chronic kidney failure | 13.320 | 6.00 | 0.419-6306 | 0.233 | 11.634 | 7.00 | 0.316-38.511 | 0.982 |
| Tobacco use | 0.021 | 0.50 | 0.109-2.297 | 0.589 | 1.249 | 3.48 | 0.316-38.511 | 0.308 |
| TASC type C/D | 9.098 | 10.42 | 0.388-5.188 | 0.010 | 2.344 | 10.42 | 1.007-100.818 | 0.043 |
| Iliac segment treated † | 2.657 | 1.36 | 0.221-1.501 | 0.572 | 0.103 | 2.69 | 0.538-13.494 | 0.228 |
B, coefficient; HR, hazard ratio; CI, confidence interval.
†
Iliac segment treated: common iliac artery + external iliac artery vs. common iliac artery.