Table III.

Univariate and multivariate analyses of prognostic factors for overall survival (OS) and disease-free survival (DFS).

	OS				DFS
	Univariate		Multivariate		Univariate		Multivariate
	HR (95% CI)	p-value	HR (95% CI)	p-value	HR (95% CI)	p-value	HR (95% CI)	p-value
Tumor	1.54 (1.23–1.93)	0.002	1.21 (0.82–1.80)	0.337	1.59 (1.26–2.00)	<0.001	1.44 (0.94–2.22)	0.094
Stage	2.60 (1.62–4.17)	<0.001	0.79 (0.27–2.30)	0.660	2.63 (1.63–4.25)	<0.001	0.57 (0.18–1.77)	0.329
Histological grade	3.32 (1.58–7.00)	0.002	3.10 (1.20–8.01)	0.020	3.29 (1.58–6.83)	0.002	2.38 (0.89–6.37)	0.084
Lymph node metastasis	8.34 (2.75–25.3)	0.002	2.47 (0.60–10.1)	0.210	7.83 (2.61–23.5)	<0.001	2.45 (0.55–10.9)	0.240
MIB-1 labeling index	2.56 (0.34–19.5)	0.364			2.85 (0.38–21.7)	0.311
ELP3 expression	0.19 (0.07–0.52)	0.001	0.24 (0.07–0.79)	0.019	0.21 (0.08–0.57)	0.002	0.33 (0.10–1.11)	0.073

HR, hazard ratio; CI, confidence interval.