Table 3. Univariate and multivariate Cox regression analysis of clinical factors for OS in gastric cancer with peritoneal carcinomatosis.

	Univariate analysis			Multivariate analysis
	HR	95%CI	P value	HR	95%CI	P value
Age	0.98	0.93-1.02	0.21
Gender	0.74	0.36-1.49	0.13
Tumor grade	0.35	0.12-1.02	0.05*	0.48	0.15-1.48	0.20
T stage	1.46	0.59-3.59	0.41
N stage	1.11	0.34-3.68	0.86
Status of metastatic site	2.32	1.12-4.81	0.02*	2.32	1.11-4.86	0.02*
Previous Surgery	0.93	0.39-2.16	0.87
Adjuvant chemotherapy	1.07	0.43-2.61	0.89
Chemotherapy regimens	0.90	0.36-2.23	0.82
Chemotherapy cycle number ( < 4cycles VS > 4 cycles)	0.30	0.13-0.68	0.004*	0.24	0.09-0.60	0.002*
Endostar	2.63	1.16-5.97	0.02*	2.42	1.04-5.63	0.04*

HR, hazard ratio; CI, confidence interval; VS, versus, *p<0.05 statistically significant.