Table 3.

Multivariate analysis of prognostic parameters in patients with NSCLC by Cox regression analysis

Variable	Overall survival		Disease-free survival
	RR	P	RR	P
Clinical stage	2.514	0.004	2.218	0.011
III vs. I-II
Lymph nodes metastasis	3.281	0.001	3.015	0.006
Yes vs. No
miR-124	2.942	0.003	2.668	0.009
Low vs. High

RR: relative ratio; SCC: squamous cell carcinoma; AD: adenocarcinoma.