Table 3.

Prognostic factors for overall survival in patients with esophageal cancer

Variables	Patients(n = 169)	Category or characteristics	Univariate			Multivariate
			HR	95% CI	p value	HR	95% CI	p value
Gender	19/150	(Female/male)	1.12	0.550–2.687	0.773
Age	59/110	(<70/≥70)	1.93	1.205–3.061	0.0066	2.024	1.255–3.236	0.0042
TNM pStage	101/68	(1,2/3)	2.725	1.714–4.349	<0.0001	2.51	1.555–4.065	0.0002
Tumor size	64/105	(<3/≥3)	1.868	1.149–3.141	0.0112	1.219	0.7364–2.083	0.5582
Operation time	111/58	(<600/≥600)	1.481	0.9288–2.344	0.0981
Intraoperative blood loss	87/82	(<500/≥500)	1.308	0.825–2.098	0.2541
PNI	98/71	(≥49.2/<49.2)	2.612	1.600–4.405	<0.0001	2.248	1.362–3.832	0.0013
SCC	126/43	(<1.5/≥1.5)	1.589	0.934–2.609	0.0859