Investigation and analysis of 3-year survival and influencing factors in patients with primary gastric cancer

Table 3 Analysis of factors influencing survival at 3 years after laparoscopic surgery in patients with primary gastric cancer

Variable	β	SD	Wald χ2	P value	OR	95%CI
Age	1.141	0.216	6.878	0.004	0.579	0.501-0.874
ASA	0.710	0.436	5.437	0.112	2.114	1.704-5.413
TNM	0.844	0.325	6.258	0.003	2.103	1.687-5.144
Tumor diameter	0.541	0.623	3.145	0.022	1.479	1.198-2.369
Infiltration depth
Lymphatic metastasis	1.204	0.211	10.782	< 0.001	2.009	1.325-5.697
Nodal dissection	1.397	0.159	9.456	0.002	0.789	0.514-0.988
Postoperative adjuvant chemoradiation therapy	1.114	0.279	9.887	< 0.001	0.611	0.514-0.892
Postoperative CEA level	1.354	0.778	9.146	< 0.001	1.556	1.045-2.984
Operation time	0.571	0.246	6.445	0.012	1.687	1.014-2.778
Gastrectomy range	0.556	0.214	5.336	0.029	1.781	1.146-2.842
Postoperative complications have occurred	1.145	0.789	2.114	0.006	0.148	0.026-1.234

OR: Odds ratio; CI: Confidence interval; ASA: American Society of Anesthesiologists; TNM: Tumor-node-metastasis; CEA: Carcinoembryonic antigen.