|
Variable
|
Cutoff level
|
Number
|
Survival rates (%)
|
Univariate
|
Multivariate
|
|---|
| |
1 year
|
3 year
|
p-value
|
RR (95% CI)
|
P
|
|---|
|
Age (year)
|
0.980
| | |
| |
< 60
|
26
|
42.1
|
8.0
| | | |
| |
≥ 60
|
221
|
25.5
|
15.3
| | | |
|
Sex
|
0.477
| | |
| |
Male
|
21
|
36.6
|
24.4
| | | |
| |
Female
|
26
|
39.6
|
29.7
| | | |
|
Preoperative biliary drainage
|
0.968
| | |
| |
Present
|
19
|
37.9
|
6.3
| | | |
| |
Absent
|
28
|
38.5
|
8.7
| | | |
|
Associated gallstone
|
0.341
| | |
| |
Present
|
26
|
53.8
|
11.5
| | | |
| |
Absent
|
21
|
54.5
|
0.0
| | | |
|
Curability
| | | | |
0.004
|
2.845 (1.314–6.158)
|
0.008
|
| |
Curative
|
36
|
47.0
|
7.2
| | | |
| |
Non-curative
|
11
|
9.1
|
0.0
| | | |
|
Tumor location
|
0.699
| | |
|
Gallbladder neck
|
28
|
42.5
|
8.5
| | | |
|
Gallbladder body/fundus
|
19
|
30.7
|
0.0
| | | |
|
pT (TNM)
| | | | |
0.170
| | |
| |
pT1 and 2
|
16
|
42.2
|
12.7
| | | |
| |
pT3 and 4
|
31
|
35.2
|
4.4
| | | |
|
Lymph node metastasis
|
0.328
| | |
| |
Negative
|
17
|
47.1
|
7.8
| | | |
| |
Positive
|
30
|
32.2
|
10.1
| | | |
|
Histologic differentiation
|
0.432
| | |
|
Well/Moderate
|
43
|
38.8
|
6.0
| | | |
| |
Poor
|
4
|
25.0
|
0.0
| | | |
|
Hepatic invasion
|
0.728
| | |
| |
Present
|
26
|
30.5
|
6.1
| | | |
| |
Absent
|
21
|
46.2
|
8.8
| | | |
|
CRAO
| | | | |
0.728
| | |
| |
Present
|
11
|
43.6
|
0.0
| | | |
| |
Absent
|
36
|
35.9
|
7.2
| | | |
|
Intraoperative blood infusion
|
0.893
| | |
| |
Present
|
25
|
34.5
|
12.9
| | | |
| |
Absent
|
22
|
41.5
|
0.0
| | | |
|
Adjuvant therapy
|
0.179
| | |
| |
Yes
|
7
|
51.4
|
25.7
| | | |
| |
No
|
40
|
35.6
|
4.9
| | | |
| |
Overall
|
47
|
37.8
|
6.0
| | | |
