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. 2017 Aug 12;8(43):74539–74553. doi: 10.18632/oncotarget.20215

Table 4. Association between clinicopathological characteristics and DFS/OS by COX regression model analysis in ESCC patients with DFS≥30 months.

DFS OS
Univariate Multivariate Univariate Multivariate
HR CI (95%) P value HR CI (95%) P value HR CI (95%) P value HR CI (95%) P value
Gender
 Male 1 1 1 1
 Female 1.352 0.682-2.683 0.388 1.664 0.818-3.384 0.160 1.308 0.641-2.668 0.461 1.626 0.776-3.404 0.198
Age
 <60 1 1
 ≥60 0.965 0.530-1.758 0.908 0.891 0.483-1.645 0.713
Tumor site
 Upper/middle 1 1
 Low 1.072 0.589-1.953 0.820 1.114 0.603-2.058 0.731
Smoking
 No 1 1
 Yes 0.974 0.520-1.823 0.934 1.153 0.615-2.159 0.657
Necrosis
 No 1 1
 Yes 1.261 0.657-2.423 0.486 1.434 0.742-2.772 0.284
Differentiation
 Well/Moderate 1 1 1 1
 Poor 1.701 0.935-3.093 0.082 1.014 0.521-1.972 0.968 1.857 1.006-3.427 0.048* 1.021 0.514-2.028 0.953
Clinical stage
 I+II 1 1 1 1
 III 2.563 1.390-4.726 0.003* 0.428 0.142-1.292 0.132 2.739 1.471-5.100 0.001* 0.529 0.178-1.574 0.253
Invasion depth
 I+II 1 1 1 1
 III+IV 1.031 0.545-1.953 0.925 1.148 0.471-2.802 0.761 0.928 0.480-1.792 0.823 0.814 0.320-2.071 0.665
Lymph node metastasis
 No 1 1 1 1
 Yes 3.109 1.702-5.678 <0.001* 3.304 1.293-8.441 0.013* 3.400 1.826-6.331 <0.001* 3.053 1.193-7.815 0.020*
Distant metastasis
 No 1 1 1 1
 Yes 12.682 6.145-26.174 <0.001* 11.347 4.390-29.329 <0.001* 10.692 5.166-22.127 <0.001* 7.802 3.077-19.781 <0.001*
Vessel involvement
 No 1 1 1 1
 Yes 3.088 1.675-5.693 <0.001* 1.999 0.973-4.107 0.059 3.559 1.919-6.599 <0.001* 2.389 1.157-4.934 0.019*
Nerve involvement
 No 1 1 1 1
 Yes 1.221 0.645-2.312 0.540 1.393 0.638-3.044 0.405 1.306 0.685-2.490 0.418 1.627 0.721-3.670 0.241
FGFR1 amplification
 Disomy/Low amplification 1 1 1 1
 High amplification 2.789 1.239-6.276 0.013* 1.490 0.614-3.620 0.378 2.896 1.283-6.536 0.010* 1.515 0.620-3.705 0.362

Invasive depth I, tumors had invaded to the mucous layer or submucosa; II, to the muscularis propria; III, to or beyond the adventitia.

CI, confidence interval; HR, hazard ratio. *P<0.05 indicated that the 95% CI of HR was not including 1.