Table 3. Multivariate analysis of prognostic markers in pancreatic cancer patients.

Variables	HR	95%CI	P-value
Gender	1.535	0.859-2.743	0.148
Age	1.456	0.815-2.602	0.205
Tumor location	0.622	0.329-1.177	0.144
Tumor size	0.690	0.398-1.197	0.186
Differentiation	1.023	0.679-1.541	0.914
Clinical stage	3.826	1.647-8.891	0.002
Lymph node metastasis	3.975	1.871-8.447	0.001
HIF-2α expression	4.694	2.033-10.837	0.001
VM expression	5.857	1.482-23.143	0.012