Table 3.

Univariate survival analysis.

Univariate analysis
	Overall survival
Variables	HR	95% CI	P-value
Age
<60 years vs. ≥60 years	0.471–1.773	0.914	0.789
Gender
Male vs. female	0.553–2.236	1.112	0.766
Tumor size
<5 cm vs. ≥5 cm	1.009–3812	1.961	0.047
T classification
T1.2 vs. T3.4	1.893–20.216	6.186	0.003
TNM
I/II vs. III/IV	1.375–5.573	1.375	0.004
pN
N0.1 vs. N2.3	2.550–9.984	5.046	<0.001
Distant metastasis
Yes vs. no	0.154–2.677	0.642	0.543
FYN expression
High vs. low	1.148–5.011	2.398	0.020

HR, hazard ratio; CI, confidence interval; TNM, tumor-node-metastasis stage; T classification, depth of tumor invasion.