Efficacy and outcome of extensive intraoperative peritoneal lavage plus surgery vs surgery alone with advanced gastric cancer patients

Table 3 Univariate analysis of overall survival

Variable	β	HR (95%CI)	P value
Sex	0.514	1.671 (0.983-2.841)	0.058
Age	0.024	1.025 (0.994-1.056)	0.114
EIPL/Non-EIPL	-0.991	0.371 (0.218,0.631)	0.000
Tumor size	0.192	1.211 (1.088-1.348)	0.000
Type of surgery	0.185	1.203 (0.653-2.214)	0.553
Tumor location	0.075	0.928 (0.689-1.250)	0.622
Borrmann classification	-1.474	0.229 (0.072-0.731)	0.013
Differentiated grade	0.491	0.612 (0.351-1.067)	0.083
T stage	1.250	3.489 (1.094-11.130)	0.035
N stage	0.535	1.707 (1.339-2.176)	0.000
Vascular invasion	-0.954	0.385 (0.235-0.632)	0.000

EIPL: Extensive intraoperative peritoneal lavage; HR: Hazard ratio.