Table 3.

Multivariable Cox Regression Analysis for Overall Survival and Disease-Free Survival.^a

	Overall survival		Disease-free survival
Variables	HR (95%CI)	P	HR (95%CI)	P
Location
Upper/Middle	1 (reference)		1 (reference)
Lower/EGJ	0.254 (0.104-0.619)	0.003	0.326 (0.148-0.720)	0.006
Tumor length
≥ 5 cm vs.<5cm	3.900 (1.362-11.166)	0.011		0.098
Chemotherapy
Yes vs. No	0.487 (0.247-0.960)	0.038		0.177
pN category
N+ vs. N0	2.344 (1.162-4.731)	0.017	2.766 (1.411-5.422)	0.003
pT category		0.593		0.168
Gender		0.309		0.911
Age		0.565		0.238
BMI		0.224		0.663
Chronic diseases		0.886		0.561
Preoperative albumin level		0.685		0.681
Surgical approach		0.729		0.724
Pathological features		0.369		0.203
Radiotherapy		0.544		0.518

Abbreviations: HR, hazard ratio; 95%CI, 95% confidence interval; vs, versus; EGJ, esophagogastric junction; BMI, body mass index.

^a Bold values refer to a significant difference.