Table III.

Log-Rank and Cox proportional hazards regression model of prognostic variables for overall survival of patients with esophageal cancer.

Prognostic variable	P-value (univariate)	P-value (multivariate)	Risk ratio (95% CI)
Age (years)	0.001	0.273
Sex	0.433
Stage (IA-IV)	<0.01	0.129
p38	<0.01	0.03	1.677 (0.238–4.717)
T	<0.01	0.212
N	<0.01	0.754
M	<0.01	0.001	3.66 (0.406–10.192)
Depression status	<0.01	0.002
Mild		0.128
Modest		0.02	0.433 (0.361–5.377)
Severe		<0.01	0.455 (0.216–13.365)
Chemotherapy	<0.01	<0.01	1.551 (0.106–17.219)

T, tumor; N, node; M, metastasis; CI, confidence interval.