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Table 1 Pre-operative and intra-operative characteristics of 488 patients undergoing liver resection

From: Serum arterial lactate concentration predicts mortality and organ dysfunction following 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)

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