Inflammation-based prognostic system predicts postoperative survival of esophageal carcinoma patients with normal preoperative serum carcinoembryonic antigen and squamous cell carcinoma antigen levels

Table 3 Multivariate analysis of selected clinical characteristics in relation to overall survival

Characteristic	P	HR	95 % CI for Exp(B)
Characteristic	P	HR	Lower	Upper
Age (years)	0.068	1.732	1.118	2.684
Tumor length (cm)	0.836	1.339	0.981	1.828
pTNM stage	<0.001	2.419	1.892	3.094
Venous invasion	0.013	2.462	1.207	5.032
Lymph node metastasis	0.339	2.577	1.910	3.477
GPS	0.005	1.625	1.155	2.286

ISSN: 1477-7819