Table 1.
Preoperative and intraoperative characteristics of 501 patients undergoing hepatic resection.
| n = 501 | Median (range) | Count (%) |
|---|---|---|
| Age | 65 (21–90) | |
| Gender | ||
| Female | 223 (45) | |
| Male | 278 (55) | |
| Indication for surgery | ||
| Benign | 46 (9) | |
| Primary | ||
| Hepatocellular carcinoma | 39 (8) | |
| Cholangiocarcinoma | 31 (6) | |
| Others | 28 (6) | |
| Secondary | ||
| Colorectal metastases | 308 (61) | |
| Other metastases | 49 (10) | |
| Liver directed chemotherapy | ||
| Yes | 176 (35) | |
| No | 325 (65) | |
| Diabetes | ||
| Yes | 55 (11) | |
| No | 446 (89) | |
| BMI | 26 (16–54) | |
| ASA Grade | ||
| 1 | 51 (10) | |
| 2 | 323 (64) | |
| 3 | 124 (25) | |
| 4 | 2 (0.4) | |
| Not recorded | 1 (0.2) | |
| Physiologic risk score | 16 (12–32) | |
| Operative risk score | 24 (14–35) | |
| Estimated P-POSSUM mortality (%) | 7.7 (0.9–69.3) | |
| Confirmed fibrosis/cirrhosis | ||
| Yes | 22 (4) | |
| No | 479 (96) | |
| Preoperative bilirubin (µmol/L) | 9 (2–162) | |
| Preoperative haemoglobin (g/dL) | 13.2 (8.6–17.0) | |
| Preoperative white cell count (/L) | 6.9 (2.7–25.0) | |
| Preoperative albumin (g/L) | 44 (24–53) | |
| Preoperative alkaline phosphatase (U/L) | 95 (34–1190) | |
| Preoperative creatinine (µmol/L) | 78 (40–430) | |
| Preoperative glomerular filtration rate (GFR) | ||
| >90 mL/min | 163 (33) | |
| <90 mL/min | 326 (65) | |
| Not measured | 12 (2) | |
| Preoperative neutrophil lymphocyte ratio (NLR) | 2.5 (0.3–17.3) | |
| NLR > 5 | ||
| Yes | 59 (12) | |
| No | 442 (88) | |
| Open or laparoscopic approach | ||
| Open | 453 (90) | |
| Laparoscopic | 48 (10) | |
| Radio frequency ablation (RFA) included | ||
| Yes | 23 (5) | |
| No | 478 (95) | |
| Wedge resection included | ||
| Yes | 189 (38) | |
| No | 312 (62) | |
| Operation | ||
| Right hemihepatectomy | 173 (35) | |
| Extended right hemihepatectomy | 34 (7) | |
| Left hemihepatectomy | 64 (13) | |
| Extended left hemihepatectomy | 17 (3) | |
| Left lateral sectorectomy | 48 (10) | |
| Wedge resection only | 133 (27) | |
| Other | 32 (6) | |
| Bile duct reconstruction included | ||
| Yes | 46 (9) | |
| No | 455 (91) | |
| Synchronous bowel procedure | ||
| Yes | 23 (5) | |
| No | 478 (95) | |
| Operation number | ||
| 1st resection | 465 (93) | |
| 2nd resection | 31 (6) | |
| 3rd resection | 5 (1) | |
| Number of segments resected | 4 (1–6) | |
| Number of procedures | 1 (1–10) | |
| Surgeon's assessment of liver parenchyma | ||
| Normal | 323 (64) | |
| Abnormal | 171 (34) | |
| Not recorded | 7 (1) | |
| Blood loss | ||
| <500 mL | 246 (49) | |
| 500–999 mL | 175 (35) | |
| ≥1000 mL | 76 (15) | |
| Not recorded | 4 (0.8) | |
| Units transfused | 0 (0–26) |