Table 4.

Prognostic factors for OS in multivariate analysis (N=55)

Variables	Hazard ratio	95% CI	Multivariate P-value
Liver metastasis
Yes	2.114	1.067–4.191	0.032
No
Palliative surgery
Yes	0.456	0.239–0.870	0.017
No
CXCR4
≤240.45 pg/mL	1.451	0.781–2.694	0.239
>240.45 pg/mL

Abbreviations: CI, confidence interval; CXCR4, C-X-C chemokine receptor type 4; OS, overall survival.