Table 3.
Univariate analysis for overall survival by log-rank test
| Variable | Number | Median overall survival (months) | P value |
|---|---|---|---|
| Primary tumor site |
|
|
|
| Extrahepatic bile duct |
18 |
11.4 |
0.2423 |
| Gallbladder |
10 |
9.2 |
|
| Recurrence or unresectable |
|
|
|
| Recurrence |
22 |
10.0 |
0.6183 |
| Unresectable |
6 |
9.2 |
|
| Histological type |
|
|
|
| Well/moderately |
21 |
10.0 |
0.9202 |
| Poor |
7 |
11.4 |
|
| hENT1 expression |
|
|
|
| Low |
11 |
5.7 |
0.0057 |
| High |
17 |
11.4 |
|
| dCK expression |
|
|
|
| Low |
13 |
9.2 |
0.3725 |
| High |
15 |
11.4 |
|
| RRM1 expression |
|
|
|
| Low |
11 |
10.2 |
0.5941 |
| High | 17 | 10.0 |
dCK, deoxycytidine kinase; hENT1, human equilibrative nucleoside transporter; RRM1, ribonucleotide reductase subunit M1.