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

Table 2 Univariate analysis of factors related to esophageal cancer survival

Characteristic	P	HR	95 % CI for Exp(B)
Characteristic	P	HR	Lower	Upper
Age (≤65 or >65 years)	0.036	1.594	1.030	2.467
Sex (male or female)	0.072	0.732	0.521	1.028
Smoking history	0.164	1.238	0.917	1.672
History of alcohol consumption (ml)	0.311	1.164	0.868	1.562
Tumor length (cm)	0.013	1.477	1.085	2.011
Intraoperative blood loss (ml)	0.124	1.279	0.935	1.751
pTNM stage	<0.001	2.511	1.966	3.208
Venous invasion	0.003	2.984	1.466	6.072
Lymph node metastasis	<0.001	2.614	1.941	3.519
Albumin (g/l)	<0.001	3.905	1.919	7.945
CRP (mg/l)	0.001	1.751	1.239	2.473
CEA (ng/ml)	0.070	1.126	0.990	1.281
SCC (μg/l)	0.376	1.176	0.822	1.682
GPS	0.001	0.555	0.395	0.779

ISSN: 1477-7819