Table 5 Perioperative outcomes based on the Major/Minor Classification.

From: Utility of a novel scoring system for difficulty of pure laparoscopic hepatectomy for intrahepatic cholangiocarcinoma

Variable

Minor(N = 74)

Major(N = 30)

P

Operative time (min)a, b

258.49 ± 123.95

315.97 ± 141.58

0.055

Intraoperative blood loss (ml)a, b

336.22 ± 374.23

355.00 ± 397.05

0.959

Intraoperative blood transfusion

29(39.2)

18(60.0)

0.081

Utilization of hepatic portal block

24(32.4)

9(30.0)

0.822

Length of postoperative stay (days)b, c

8(3–41)

9(5–30)

0.445

Morbidity of complications

45(60.8)

26(86.7)

0.011

Clavien-Dindo I-II complication

33(44.6)

23(76.7)

0.004

Clavien-Dindo III-IV complication

12(16.2)

3(10.0)

0.610

PHLF

4(5.4)

4(13.3)

0.333

Bile leakage

9(12.2)

6(20.0)

0.470

Pleural effusion

36(48.6)

16(53.3)

0.829

Pneumonia

13(17.6)

8(26.7)

0.419

R0 resection

71(95.9)

29(96.7)

> 0.999

Lymph node metastasis

17(23.0)

20(66.7)

<0.001

Tumor differentiation, moderate/poor

71(95.9)

30(100.0)

0.555

  1. Data are expressed as frequencies (percentages), otherwise indicated; The chi-squared (χ²) test or Fisher’s exact test is used to compare these data differences between groups.
  2. PHLF, postoperative liver failure.
  3. a. Data are expressed as mean ± standard deviation.
  4. b. The Mann-Whitney U test is used to compare the differences in these data between groups.
  5. c. Data are expressed as median (range).
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