Table 4.
Potential preoperative and intraoperative variables associated with postoperative mortality by univariate and multivariate analyses in those 32 patients who required critical care services during postoperative care
| Variables | Univariate (P) | Multivariate (P) |
| Preoperative variables | ||
| Age | 0.999 | ⌓ |
| Sex | 0.119 | ⌓ |
| History of cirrhosis/portal hypertesion | 0.053 | 0.194 |
| History of viral hepatitis | 0.044 | 0.802 |
| History of jaundice | 0.703 | ⌓ |
| History of cardiac disease | 0.718 | ⌓ |
| Diabetes mellitus | 0.999 | ⌓ |
| Chronic obstructive pulmonary disease | 0.999 | ⌓ |
| Preoperative biliary instrumentation | 0.703 | ⌓ |
| Preoperative biliary drainage | 0.999 | ⌓ |
| Diagnosis | ||
| Hepatocellular carcinoma | 0.999 | ⌓ |
| Pancreatic/peripancreatic malignancy | 0.999 | ⌓ |
| Colorectal hepatic metastases | 0.999 | ⌓ |
| Noncolorectal hepatic metastases | 0.999 | ⌓ |
| Cholangiocarcinoma | 0.540 | ⌓ |
| Benign biliary disease | 0.516 | ⌓ |
| Polycystic disease of the liver | 0.999 | ⌓ |
| Other disease | 0.999 | ⌓ |
| Intraoperative variables | ||
| Operative time | 0.999 | ⌓ |
| Blood loss | 0.999 | ⌓ |
| Intravenous fluids | 0.999 | ⌓ |
| Transfusion of red blood cells | 0.724 | ⌓ |
| Elective versus emergency case | 0.647 | ⌓ |
| Resected for cure versus palliation | 0.999 | ⌓ |
| Hepatic resection | 0.726 | ⌓ |
| Biliary enteric bypass | 0.620 | ⌓ |
| Pancreatic resection | 0.999 | ⌓ |
| Peptic ulcer operation | 0.540 | ⌓ |
| Extrahepatic bile duct resection | 0.516 | ⌓ |
| Combined hepatic/pancreatic resection | 0.375 | ⌓ |
| Other operations | 0.999 | ⌓ |