Table 3

HRs for disease-free survival among patients with ESCC stratified according to clinicopathological characteristics

Variables	Univariate		Multivariate
Variables	HR (95% CI)	P value	HRadj (95% CI)	P value
Age (years)	1.10 (1.07 to 1.15)	<0.001	1.11 (1.07 to 1.16)	<0.001
Gender
Female	Reference		Reference
Male	0.90 (0.74 to 1.09)	0.291	0.86 (0.69 to 1.07)	0.179
Stage	2.35 (1.41 to 3.92)	0.001	2.88 (1.89 to 4.38)	<0.001
Distance of tumour to incisor	0.89 (0.80 to 0.99)	0.032	0.83 (0.71 to 0.98)	0.023
Differentiation degree	2.89 (1.43 to 5.84)	0.003	3.11 (1.59 to 6.08)	0.001
Left gastric arterial lymph node metastasis	3.44 (2.42 to 4.88)	<0.001	2.07 (1.35 to 3.17)	0.001
Total no lymph nodes	0.79 (0.63 to 1.00)	0.046	0.98 (0.95 to 1.01)	0.198
Common hepatic arterial lymph node resection
No	Reference		Reference
Yes	0.92 (0.74 to 1.15)	0.458	0.86 (0.69 to 1.07)	0.179