Table 2.

Univariate Analysis of the Risk Factor Associated With NSCLC.

Characteristics	Risk ratio	95% CI	P
Age (≥60 vs <60)	1.426	0.802-1.752	0.530
Gender (male vs female)	1.523	0.774-2.820	0.482
Smoking history (yes vs no)	1.305	0.715-2.117	0.512
Histological type (AC vs SCC)	1.025	0.675-1.509	0.758
Distant metastasis (negative vs positive)	1.071	0.848-2.354	0.627
Lymph node metastasis (negative vs positive)	2.407	1.214-3.845	0.028
Clinical stage (III/IV vs I/II)	5.129	2.014-10.367	<0.001
Histological grade (poor vs well/moderate)	2.816	1.350-5.129	0.008
Serum miR-762 (high vs low)	3.418	1.541-7.208	0.002