Table 4.
Univariate analysis | Multivariate analysis | |||||
HR | 95% CI | P value | HR | 95% CI | P value | |
Age (yr) | 1.00 | (0.98–1.02) | .678 | |||
Gender (Male vs Female) | 1.49 | (0.87–2.57) | .147 | |||
Current smoking | 1.33 | (0.57–3.09) | .510 | |||
Current dialysis | 0.70 | (0.40–1.22) | .211 | |||
Chronic kidney disease | 0.57 | (0.34–0.94) | .027 | 0.62 | (0.36–1.07) | .086 |
Hemoglobin | 1.12 | (1.02–1.24) | .020 | 1.02 | (0.90–1.15) | .788 |
Rutherford classification (6 vs 5) | 0.43 | (0.25–0.72) | .001 | 0.46 | (0.26–0.82) | .008 |
University of Texas classification | ||||||
Grade 0 as reference | ||||||
Grade 1 | 0.57 | (0.26–1.26) | .166 | |||
Grade 2 | 0.50 | (0.21–1.20) | .121 | |||
Grade 3 | 0.35 | (0.15–0.84) | .019 | |||
Infection | 0.78 | (0.47–1.28) | .326 | |||
Occluded plantar arch | 0.57 | (0.34–0.98) | .044 | 0.58 | (0.33–1.01) | .055 |
Run-off vessel number after EVT | 1.72 | (1.19–2.51) | .004 | 1.65 | (1.09–2.51) | .018 |
Prostaglandin E1 use | 1.21 | (0.70–2.08) | .492 | |||
Femoropopliteal drug-coating balloon | 0.57 | (0.26–1.25) | .158 | |||
Infra-popliteal drug-coating balloon | 1.02 | (0.53–1.95) | .961 | |||
Mean pre-EVT temperature of whole foot | 1.07 | (0.98–1.17) | .111 | |||
Mean post-EVT temperature of whole foot | 1.11 | (1.01–1.21) | .026 | 1.07 | (0.96–1.19) | .218 |
DIFF1 | 1.10 | (0.92–1.31) | .310 | |||
DIFF2 | 1.46 | (1.01–2.09) | .041 | 1.06 | (0.73–1.52) | .774 |