Table 5. Risk factors for predicting postoperative mortality after hepatectomy.
| Factors | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| HR (95% CI) | P value | HR (95% CI) | P value | ||
| Age, ≥ 55 years | 0.76 (0.11–5.43) | 0.787 | 0.96 (0.07–13.60) | 0.977 | |
| Gender, male | 0.04 (0.00–1,545.79) | 0.539 | – | 0.990 | |
| Liver cirrhosis | 0.59 (0.08–4.22) | 0.597 | |||
| Hemoglobin (g/dL) | 2.52 (1.03–6.18) | 0.043 | 4.14 (1.00–17.22) | 0.050 | |
| Platelet, >100 (103/μL) | 24.89 (0.00–8,692,674.86) | 0.622 | |||
| Creatinine, >1.2 mg/dL | 0.05 (0.00–91,580,381.97) | 0.779 | |||
| Albumin, <3.5 g/dL | 0.05 (0.00–5.5×1016) | 0.886 | |||
| Bilirubin, >1.2 mg/dL | 0.05 (0.00–222,721,769.7) | 0.787 | |||
| INR | 50.60 (0.00–9,833,458.33) | 0.527 | |||
| ICGR15, >10% | 0.11 (0.01–1.13) | 0.063 | |||
| HCC size (cm) | 1.29 (1.08–1.53) | 0.005 | 1.72 (1.05–2.83) | 0.033 | |
| No. of resected segments | 2.25 (0.93–5.44) | 0.073 | |||
| Edema indexa, >0.384 | 0.02 (0.00–57.40) | 0.328 | |||
| BMI (kg/m2) | 0.82 (0.58–1.16) | 0.263 | |||
| Sarcopenia | 1.94 (0.20–18.87) | 0.568 | |||
| Phase angle, >5.5 | 3.73 (0.39–36.04) | 0.255 | |||
| Body cell mass (kg) | 0.99 (0.83–1.18) | 0.890 | |||
| Fluid infusion during operation (L) | 1.07 (0.70–1.64) | 0.740 | |||
| Blood loss during operation (L) | 1.33 (0.84–2.10) | 0.220 | |||
| Transfusion during operation (L) | 0.81 (0.27–2.42) | 0.710 | |||
| Transfusion after operation (L) | 1.99 (0.93–4.24) | 0.075 | |||
a, edema index was calculated using extracellular water/total body water. HR, hazard ratio; CI, confidence interval; INR, international normalized ratio; ICGR15, indocyanine green 15' retention test; HCC, hepatocellular carcinoma; BMI, body mass index.