Table IV.

Univariate analysis of factors affecting colon cancer.

	miR-21		miR-138
Variables	P-value	HR (95% CI)	P-value	HR (95% CI)
Expression level (low vs. high)	<0.001	38.842 (15.203–96.215)	<0.001	32.562 (13.524–87.347)
Sex (male vs. female)	0.559	1.012 (0.797–1.620)	0.845	1.062 (0.523–1.946)
Age (<45 years vs. ≥45 years)	0.114	1.132 (1.028–1.715)	0.173	0.986 (0.946–1.042)
TNM stage (I and II vs. III and IV)	0.013	2.821 (1.346–2.857)	0.013	4.182 (2.152–7.864)
Lymph node metastasis (yes vs. no)	0.011	3.053 (1.282–7.323)	0.004	2.452 (1.265–4.124)
Differentiation (low vs. high)	0.025	0.921 (0.831–1.525)	0.032	0.042 (0.152–0.945)