Table 4 Univariate and multivariate Cox analysis of risk factors associated with Clavien–Dindo score ≥ 1
Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
OR | 95% CI | P value | OR | 95% CI | P value | |
Age (≥ 80) | 7.286 | 1.667–31.8 | 0.008 | 15.394 | 1.531–35.753 | 0.020 |
Gender (male) | 0.594 | 0.266–1.32 | 0.203 | – | ||
BMI, kg/m2 | 0.914 | 0.745–1.12 | 0.391 | – | ||
Presenting symptom | 1.046 | 0.387–2.82 | 0.930 | – | ||
Number of underlying diseases (≥ 2) | 2.938 | 1.255–6.87 | 0.013 | 1.101 | 0.229–5.301 | 0.905 |
KPS (< 80) | 1.371 | 0.480–3.92 | 0.556 | – | ||
GFR, ml/min | 0.989 | 0.954–1.02 | 0.572 | – | ||
GFR, ml/min (postoperative) | 0.878 | 0.786–0.99 | 0.489 | – | ||
Tumor size, cm | 0.924 | 0.750–1.13 | 0.461 | – | ||
Type of surgery (partial nephrectomy) | 5.574 | 1.868–16.6 | 0.002 | 3.193 | 1.003–10.934 | 0.046 |
Tumor side (left) | 1.295 | 0.639–2.62 | 0.473 | – | ||
Surgery procedure (open) | 0.983 | 0.253–3.81 | 0.980 | – | ||
Operative time, min | 1.075 | 1.046–1.10 | < 0.001 | 1.096 | 1.058–1.136 | < 0.001 |
Intraoperative blood transfusion (yes) | 0.650 | 0.057–7.36 | 0.728 | – | ||
Intraoperative estimated blood loss, ml | 1.003 | 0.995–1.01 | 0.438 | – | ||