|
Male gender
|
21
|
45
|
0.088
|
|
Mean age (range)
|
57.5 ± 11.0(35-80)
|
58.2 ± 10.2(23-83)
|
0.725
|
|
Postoperative hospital stay
|
19.7 ± 13.3 (4–85)
|
11.5 ± 6.4 (5–51)
|
< 0.001
|
|
Associated gallbladder disease
|
0.983
|
|
Gallstones
|
26 (55.3%)
|
80 (55.2%)
| |
|
Gallbladder polyp
|
1 (2.1%)
|
3 (2.0%)
| |
|
Nil
|
20 (42.6%)
|
62 (42.8%)
| |
|
Tumor location
| | |
< 0.001
|
|
Gallbladder neck
|
28 (59.6)
|
26 (17.9)
| |
|
Gallbladder body
|
10 (21.3)
|
70 (48.3)
| |
|
Gallbladder fundus
|
9 (19.1)
|
49 (33.8)
| |
|
Histologic type
|
0.259
|
|
Well differentiated
|
2 (4.3)
|
9 (6.2)
| |
|
Moderately differentiated
|
41 (87.2)
|
109 (75.2)
| |
|
Poorly differentiated
|
4 (8.5)
|
27 (18.6)
| |
|
Extent of liver resection
|
0.590
|
|
Major hepatectomy (>3 segments)
|
4
|
4
| |
|
Anatomical segments IV-V
|
8
|
42
| |
|
Gallbladder bed
|
35
|
99
| |
|
Extrahepatic bile duct resection
|
44 (93.6)
|
12 (8.3%)
|
< 0.001
|
|
Pathologic extrahepatic bile duct invasion
|
38 (80.9)
|
12 (8.3%)
|
< 0.001
|
|
Combined resection of adjacent organs
|
11 (23.4%)
|
4 (2.8%)
|
< 0.001
|
|
Hepatic invasion
|
26 (55.3%)
|
64 (44.1%)
|
0.183
|
|
Lymph node metastasis
|
30 (63.8%)
|
72 (49.7%)
|
0.091
|
|
Vascular invasion
|
2 (4.3)
|
3 (2.1%)
|
0.415
|
|
pT
|
0.019
|
|
pT1-2
|
16 (34.1%)
|
78 (53.8%)
| |
|
pT3-4
|
31 (65.9%)
|
67 (46.2%)
| |
|
Intra-operative bleeding (mL)
|
754.3 ± 600.9 (200–3200)
|
386.0 ± 251.8(200–1800)
|
0.001
|
|
Operative time (min)
|
310.0 ± 82.7 (100–470)
|
224.3 ± 77.3(100–400)
|
< 0.001
|
|
R0
|
36 (76.6%)
|
127 (87.6%)
|
0.068
|
|
Mortality (number of patients)
|
3 (6.4%)
|
3 (2.1%)
|
0.141
|
|
Morbidity (need invasive treatment)
|
16 (34.0%)
|
18 (12.4%)
|
0.001
|
