Table 1 Pre-operative and intra-operative characteristics of 488 patients undergoing liver resection
n = 488 | Median (range) | Count (%) | ||
|---|---|---|---|---|
Age (years) | 65 (21–90) | |||
Gender | Female | 216 (44.3) | ||
Male | 272 (55.7) | |||
Pathology of resected specimen | Benign | 40 (8.2) | ||
Primary | Hepatocellular carcinoma | 30 (6.1) | ||
Cholangiocarcinoma | 36 (7.4) | |||
Other | 35 (7.2) | |||
Secondary | Colorectal metastases | 291 (59.6) | ||
Other | 56 (11.5) | |||
Pre-operative liver-directed chemotherapy | Yes | 173 (35.5) | ||
No | 315 (64.5) | |||
Body mass index | 26 (16–54) | |||
P-POSSUM physiologic score | 16 (12–32) | |||
ASA grade | 1 | 49 (10.1) | ||
2 | 315 (64.7) | |||
3 | 121 (24.8) | |||
4 | 2 (0.4) | |||
Pre-operative diabetes | Yes | 55 (11.3) | ||
No | 433 (88.7) | |||
Pre-operative bilirubin (μmol/L) | 9 (2–162) | |||
Pre-operative alkaline phosphatase (U/L) | 95 (34–1190) | |||
Pre-operative albumin (g/L) | 44 (10–53) | |||
Pre-operative creatinine (μmol/L) | 78 (40–430) | |||
Pre-operative glomerular filtration rate (ml/min) | ≤90 | 158 (33.2) | ||
>90 | 318 (66.8) | |||
Neutrophil to lymphocyte ratio (NLR) | 2.47(0.3-17.3) | |||
Operation number | 1st | 453 (92.8) | ||
2nd | 30 (6.1) | |||
3rd | 5 (1.0) | |||
Surgeons assessment of liver parenchyma | Normal | 314 (65.3) | ||
Abnormal | 167 (34.7) | |||
Surgical approach | Open | 440 (90.2) | ||
Laparoscopic | 48 (9.8) | |||
Radiofrequency ablation (RFA) included | Yes | 22 (4.5) | ||
No | 466 (95.5) | |||
Operation | Right hemihepatectomy | 142 (29.1) | ||
Extended right hemihepatectomy | 65 (13.3) | |||
Left hemihepatectomy | 55 (11.3) | |||
Extended left hemihepatectomy | 24 (4.9) | |||
Left lateral sectorectomy | 45 (9.2) | |||
Wedge resection only | 127 (26.0) | |||
Other | 30 (6.1) | |||
Wedge resection included | Yes | 182 (37.3) | ||
No | 306 (62.7) | |||
Bile duct reconstruction included | Yes | 43 (8.8) | ||
No | 445 (91.2) | |||
Synchronous bowel procedure | Yes | 22 (4.5) | ||
No | 466 (95.5) | |||
Curative intent | Yes | 442 (90.6) | ||
No | 46 (9.4) | |||
Number of segments resected | 4 (1–6) | |||
Estimated blood loss | <100 ml | 2 (0.4) | ||
101-500 ml | 240 (49.7) | |||
501-1000 ml | 167 (34.6) | |||
>1000 ml | 74 (15.3) | |||
Units of red cells transfused | 0 (0–26) | |||