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Table 1 Comparison of the baseline characteristics between OH and LH groups

From: Laparoscopic versus open hepatectomy for intrahepatic cholangiocarcinoma in patients aged 60 and older: a retrospective cohort study

Variables

OH group (n=78)

LH group (n=29)

P value

Age, year

66.3±4.5

66.0±4.1

0.752

Sex, n (%)

  

0.123

 Male

49 (62.8%)

13 (44.8%)

 

 Female

29 (37.2%)

16 (55.2%)

 

BMI, kg/m2

23.8±3.7

24.8 ±3.8

0.200

Cirrhosis of the liver

11 (14.1%)

5 (17.2%)

0.921

Portal hypertension

2 (2.6%)

0 (0.0%)

1.000

Ascites

2 (2.6%)

0 (0.0%)

1.000

COPD

6 (7.7%)

1 (3.4%)

0.727

Diabetes

10 (12.8)

7 (24.1)

0.260

Hypertension

26 (33.3%)

12 (41.1%)

0.440

Coronary heart disease

4 (5.1%)

5 (17.2%)

0.106

History of smoking, n (%)

32 (41.0%)

11 (37.9%)

0.772

History of alcohol consumption, n (%)

28 (35.9%)

11 (37.9%)

0.846

Previous abdominal surgery, n (%)

18 (23.1%)

7 (24.1)

0.908

Hepatitis B virus infection, n (%)

13 (16.7%)

4 (13.8%)

0.949

Cholesterol, U/ml

4.9±1.6

4.4±0.83

0.155

PT

11.8±1.2

11.8±1.0

0.912

CA-19-9, U/ml

95.8 (18.5,527.3)

192.4 (22.1,904.3)

0.471

AFP, U/ml

3.2 (2.1,5.8)

3.6 (2.7,5.3)

0.651

CEA, U/ml

3.8 (1.8,23.6)

4.7 (2.8,17.0)

0.373

Mononuclear count, 109/ml

0.8±1.5

0.5±0.16

0.297

Neutrophil count, 109/ml

4.6±2.2

4.3±1.6

0.461

Lymphocyte count, 109/ml

4.5±22.6

6.6±22.6

0.688

Platelet count, 109/ml

231.4±81.1

232.2±73.7

0.961

HGB, g/L

131.9±18.7

136.8±18.5

0.237

ALT, U/L

19.5 (13.0,33.3)

18.0 (12.5,28.0)

0.360

AST, U/L

24.0 (18.0,36.5)

22.0 (18.0,27.5)

0.408

TBIL, umol/L

12.9 (8.5,21.0)

12.3 (10.1,14.6)

0.408

ALB, g/L

41.0±5.0

43.2±4.0

0.039

Preoperative antitumor treatment, n (%)

4 (5.1%)

2 (6.9%)

0.661

  1. Data are presented as the mean with standard deviation (‾x±SD) or median with interquartile range (median [Q1, Q3]), or counts with percentages n (x%). Bold indicates statistical significance
  2. LH laparoscopic hepatectomy, OH, open hepatectomy, BMI body mass index, ASA American Society of Anesthesiology, CA-19-9 cancer antigen 19-9, AFP alpha fetoprotein, CEA carcinoembryonic antigen, HGB hemoglobin, ALT alanine aminotransferase, AST aspartate aminotransferase, TBIL total bilirubin, ALB albumin