Table 3.
Cox proportional hazard regression analysis for TLR.
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Length of ISR ≥20 cm | 9.61 (2.38–38.84) | 0.001 | ||
| Hypercholesterolemia | 56.30 (0.26–144.16) | 0.143 | ||
| Mehran's classification of ISRs III/IV | 1.00 (1.00–1.01) | 0.237 | ||
| GLASS classification III | 18.27 (2.27–147.16) | 0.006 | 18.44 (1.57–215.99) | 0.020 |
| Postoperative Rutherford classification ≥4 | 16.04 (4.04–63.72) | <0.001 | 8.28 (1.85–37.06) | 0.006 |
| Bailout-stent implantation | 4.66 (1.25–17.40) | 0.022 | ||
TLR, target lesion revascularization; ISR, in-stent restenosis; GLASS, Global Limb Anatomic Staging System; Postoperative Rutherford classification indicated the evaluation result at 12 months after the procedure.