Table 3.

Univariate and multivariate analysis of the overall survival in GSE62452 patients.

Variable	Number	Univariate analysis	Multivariate analysis
		P	HR	95% CI	P
Tumor grade*		0.019	1.470	0.890–2.429	0.133
1	2
2	31
3	29
4	1
TNM stage		0.560
I	4
II	44
III	10
V	6
Riskscore		<0.001	2.385	1.209–4.707	0.012
High	33
Low	31

*The information of tumor grade was unknown in one patient.

Significant results were expressed in bold.