Table 4.
Cox proportion hazards model for the whole group
| AKI | Hazard ratio | 95% CI | P-value |
|---|---|---|---|
| Gender (male) | 10.3834 | 1.3644, 79.0199 | 0.0238 |
| Cardiologic complications | 3.5510 | 0.1925, 65.4912 | 0.3941 |
| Sepsis | 0.4595 | 0.02807, 7.5219 | 0.5856 |
| Surgical complications | 1.7433 | 0.4030, 7.5418 | 0.4570 |
| Age < 65 years | 0.8721 | 0.2914, 2.6102 | 0.8067 |
| Age 65–74 years | 1.0346 | 0,2913, 3,6659 | 0.0507 |
| Age ≥ 75 years | 0.4418 | 0,02697, 7,2381 | 0.5669 |
| Small resection | 1.1540 | 0.2637, 5.0504 | 0.8492 |
| Large resection | 2.0226 | 0.6747, 6.0632 | 0.2085 |
| RFA | 0.5974 | 0.1351, 2.6421 | 0.4970 |
| Benign finding | 0.9467 | 0.2155, 4.1598 | 0.9422 |
| HCC | 0.4361 | 0.02803, 6.7845 | 0.5534 |
| Cholangiocarcinoma | 1.0705 | 0.1448, 7.9150 | 0.0668 |
| MTS of colorectal carcinoma | 2.8651 | 0.9571, 8.5764 | 0.0499 |
| Neuroendocrine tumors | 1.7917 | 0.2480, 12.9440 | 0.5633 |
| Other | 0.2228 | 0.02935, 1.6909 | 0.1465 |
| Duration of surgery > 300 min | 6.0096 | 3.1117, 11.6063 | < 0.0001 |
| Perioperative blood loss > 500 ml | 10.5857 | 2.5384, 44.1456 | 0.0012 |
| Substitution of FFP > 500 ml | 2.4878 | 0.9228, 6.7066 | 0.0717 |
AKI acute kidney injury, RFA radiofrequency ablation, HCC hepatocellular carcinoma, MTS metastases, FBP fresh frozen plasma