Table 4. Multivariate Cox model analysis for overall survival in patients included in TCGA database (n = 507).

	Cox Univariate		Cox Multivariate
	HR (95% CI)	p value	HR (95% CI)	p value
Sex	1.23(0.88–1.71)	0.225	1.09 (0.73–1.64)	0.665
Tumor size (T)	1.22(0.87–1.71)	0.233	1.25 (0.81–1.92)	0.311
Pathologic N	1.62(1.11–2.35)	0.012	1.58 (1.09–2.31)	0.017
Age	1.30(0.94–1.81)	0.112	1.31 (0.89–1.93)	0.169
SERPINE1	2.03(1.32–3.10)	0.010	1.725 (1.06–2.79)	0.027

Sex = Male versus Female; Tumor size = T3-T4 versus T1-T2; Pathologic N = positive node versus negative node; Age: > 60 years versus < 60 years; SERPINE1 = high versus low expression

HR = Hazard Ratio; 95% IC = 95% Confidence Interval.