Table 2 Univariate and multivariate analysis of 57 patients for risk factors related to overall survival
Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
OR (95% CI) | P value | OR (95% CI) | P value | |
Clinical variables | ||||
Preoperative jaundice | 0.90 (0.42–1.91) | 0.784 | ||
Preoperative biliary drainage | 0.46 (0.16–1.36) | 0.166 | ||
Portal vein embolization | 0.63 (0.15–2.68) | 0.537 | ||
Bismuth type IV | 1.29 (0.59–2.83) | 0.520 | ||
ICG R-15 (≥ 15%) | 1.46 (0.65–3.27) | 0.350 | ||
Operative variables | ||||
Operation (LH) | 0.76 (0.34–1.66) | 0.491 | ||
R1 resection | 1.56 (0.68–3.58) | 0.294 | ||
Portal vein resection | 0.77 (0.29–2.06) | 0.615 | ||
Transfusion | 3.48 (1.60–7.54) | 0.002 | 3.12 (1.42–6.87) | 0.005 |
PHLF (≥ grade B) | 4.45 (1.83–10.82) | 0.001 | 4.62 (1.86–11.49) | 0.001 |
Complication (≥ IIIA) | 1.34 (0.62–2.87) | 0.451 | ||
Pathologic variables | ||||
Differentiation (poorly) | 1.38 (0.45–4.20) | 0.571 | ||
Lymphovascular invasion | 2.02 (0.90–4.54) | 0.087 | 1.17 (0.45–3.04) | 0.734 |
T stage (≥ T3) | 1.24 (0.55–2.76) | 0.596 | ||
N stage (≥ N1) | 2.18 (1.01–4.71) | 0.046 | 1.40 (0.54–3.65) | 0.486 |