Table 8.
Cox regression analysis of factors associated with overall survival rate.
| Variable |
Univariate analysis |
Multivariate analysis |
||||||
|---|---|---|---|---|---|---|---|---|
| B | HR | 95% CI | P | B | HR | 95% CI | P | |
| Diabetes | .398 | .002 | .242–4.363 | .351 | .028 | .001 | 0.180–4.233 | .970 |
| Chronic kidney disease | .264 | .641 | .138–11.051 | .680 | .056 | .908 | 0.538–4.567 | .831 |
| Runoffa | .415 | .141 | .174–13.501 | .707 | .885 | 7.906 | 1.411–14.294 | .975 |
| PACCS | 2.722 | .480 | .331–21.429 | .807 | .032 | .002 | 1.531–2.234 | .616 |
| TASC AB + CD | .167 | 1.331 | 0.542–1.543 | .179 | .711 | 0.915 | 0.339–2.230 | .970 |
| Calcification severityb | .933 | .731 | .024–2.111 | .962 | 4.243 | 8.314 | .334–2.433 | .846 |
| Dialysis CKF | .445 | .898 | .488–3.345 | .965 | .987 | .788 | .245–5.322 | .786 |
| Rutherford 4/5 + 6 | .201 | .952 | .124–5.392 | .818 | .962 | .044 | .123–6.337 | .835 |
| Cardiac failure | .930 | .806 | .522–6.789 | .137 | .890 | .908 | .522–12.304 | .213 |
B: coefficient; HR: hazard ratio; CI: confidence interval; TASC: Trans-Atlantic Inter-Society Consensus.
aTwo tibial vessels vs. one tibial vessel + popliteal artery isolated segment.
bHigh severity score (>2) vs. moderate severity score (<2).