Table 1 Characteristics of patients.

Gender (M/F)

11/7

13/8

0.959

Age (years)

53 ± 11

52 ± 10

0.784

HCC

15

17

0.849

BMI

24.3 ± 3.3

25.6 ± 3.9

0.296

Cirrhosis

12

16

0.510

Lesion diameter (cm)

3.7 ± 1.5

4.1 ± 1.7

0.246

Operative time (min)

174 ± 39

198 ± 60

0.156

Blood loss (ml)

204 ± 80

286 ± 118

0.019

Transfusion

3

6

0.385

Hospital stay (days)

8.6 ± 2.4

10.2 ± 2.6

0.045

Hospital expenses (WanRMB)

5.7 ± 0.9

6.0 ± 1.3

0.511

Bile leak

7

3

0.039

Clavien-Dindo grade

I-II

11

15

0.496

III-IV

0

1

-

Postoperative laboratory data

WBC (10⁹/L)

11.9 ± 3.0

12.7 ± 2.9

0.431

AST (U/L)

192(123,241)

173(86,256)

0.587

ALT (U/L)

206(150,247)

137(106,267)

0.364