Table 4. Factors associated with OS and DFS in the multivariate analysis.

		Multivariate analysis
Covariates for OS		Hazard ratio (95%CI)	df	P
Grading	G1–2	0.6 (0.3–1.1)	1	0.11
	G3	1 (ref.)
miR-211 expression	Low	2.0 (1.1–4.1)	1	0.04
(vs. median)	High	1 (ref.)
miR-211 expression	#1	2.8 (1.3–5.8)	1	0.006
(clustering)	#2	1 (ref.)
Covariates for DFS		Hazard ratio (95%CI)	df	P
Grading	G1–2	1 (ref.)	1	0.04
	G3	2.23 (1.03–4.85)
miR-211 expression	Low	1 (ref.)	1	0.24
(vs. median)	High	2.08 (0.61–7.04)
miR-211 expression	#1	2.30 (1.16–4.56)	1	0.02
(clustering)	#2	1 (ref.)

Abbreviations: df, degrees of freedom; DFS, Disease Free Survival; OS, Overall Survival.