Changing trends of clinicopathologic features and survival duration after surgery for gastric cancer in Northeast China

Table 4 Univariate and multivariate analyses of prognostic factors in patients with gastric cancer

Factor	Univariate analysis			Multivariate analysis
	HR	95%CI	P value	HR	95%CI	P value
Gender	1.026	0.944-1.114	0.547	-	-	-
Age (yr)	1.091	1.026-1.160	0.005	1.105	1.039-1.176	0.002
Tumor location	1.150	1.096-1.206	0.000	0.979	0.936-1.024	0.353
Tumor size (mm)	2.578	2.375-2.797	0.000	1.206	1.100-1.322	0.000
Histologic type	1.484	1.373-1.604	0.000	1.172	1.082-1.270	0.000
TNM stage	2.640	2.498-2.791	0.000	1.267	1.136-1.412	0.000
T stage	1.756	1.679-1.836	0.000	1.189	1.120-1.262	0.000
N stage	1.657	1.607-1.708	0.000	1.344	1.287-1.403	0.000
M stage	4.140	3.686-4.651	0.000	1.150	0.968-1.365	0.112
Type of gastrectomy	1.677	1.569-1.792	0.000	1.201	1.122-1.286	0.000
Local infiltration	0.320	0.295-0.347	0.000	0.662	0.602-0.727	0.000
Margin status	4.029	3.713-4.372	0.000	1.843	1.666-2.040	0.000
Joint resection	0.539	0.461-0.629	0.000	0.919	0.783-1.079	0.304
Early postoperative complications	0.975	0.808-1.177	0.794	-	-	-
No. of retrieved lymph nodes	0.872	0.830-0.916	0.000	0.847	0.796-0.901	0.000
Year group	0.774	0.737-0.813	0.000	0.859	0.808-0.913	0.000

TNM: Tumor-node-metastasis.